Home / 423,125.52-634,377.24-201,665.04

Finding the Fourth Proportional to 423,125.52, 634,377.24 and 201,665.04

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Solution

The fourth proportional to 423,125.52, 634,377.24 and 201,665.04 is: 302,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,125.52 : 634,377.24 = 201,665.04 : x
  2. Step 2: Convert to fraction form
    423,125.52/634,377.24 = 201,665.04/x
  3. Step 3: Cross multiply
    423,125.52x = 634,377.24 × 201,665.04
  4. Step 4: Simplify right side
    423,125.52x = 127,931,711,479.69
  5. Step 5: Solve for x
    x = 127,931,711,479.69/423,125.52
  6. Step 6: Final answer
    x = 302,349.32

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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.