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Finding the Fourth Proportional to 304,830.90, 457,246.35 and 298,998.90

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Solution

The fourth proportional to 304,830.90, 457,246.35 and 298,998.90 is: 448,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,830.90 : 457,246.35 = 298,998.90 : x
  2. Step 2: Convert to fraction form
    304,830.90/457,246.35 = 298,998.90/x
  3. Step 3: Cross multiply
    304,830.90x = 457,246.35 × 298,998.90
  4. Step 4: Simplify right side
    304,830.90x = 136,716,155,679.02
  5. Step 5: Solve for x
    x = 136,716,155,679.02/304,830.90
  6. Step 6: Final answer
    x = 448,498.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.