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Finding the Fourth Proportional to 306,065.70, 459,098.55 and 249,969.15

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Solution

The fourth proportional to 306,065.70, 459,098.55 and 249,969.15 is: 374,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,065.70 : 459,098.55 = 249,969.15 : x
  2. Step 2: Convert to fraction form
    306,065.70/459,098.55 = 249,969.15/x
  3. Step 3: Cross multiply
    306,065.70x = 459,098.55 × 249,969.15
  4. Step 4: Simplify right side
    306,065.70x = 114,760,474,309.73
  5. Step 5: Solve for x
    x = 114,760,474,309.73/306,065.70
  6. Step 6: Final answer
    x = 374,953.73

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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.