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Finding the Fourth Proportional to 304,903.40, 457,614.30 and 136,682.60

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Solution

The fourth proportional to 304,903.40, 457,614.30 and 136,682.60 is: 205,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,903.40 : 457,614.30 = 136,682.60 : x
  2. Step 2: Convert to fraction form
    304,903.40/457,614.30 = 136,682.60/x
  3. Step 3: Cross multiply
    304,903.40x = 457,614.30 × 136,682.60
  4. Step 4: Simplify right side
    304,903.40x = 62,547,912,321.18
  5. Step 5: Solve for x
    x = 62,547,912,321.18/304,903.40
  6. Step 6: Final answer
    x = 205,140.09

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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.