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Finding the Fourth Proportional to 500,006.28, 750,009.81 and 126,029.28

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Solution

The fourth proportional to 500,006.28, 750,009.81 and 126,029.28 is: 189,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,006.28 : 750,009.81 = 126,029.28 : x
  2. Step 2: Convert to fraction form
    500,006.28/750,009.81 = 126,029.28/x
  3. Step 3: Cross multiply
    500,006.28x = 750,009.81 × 126,029.28
  4. Step 4: Simplify right side
    500,006.28x = 94,523,196,347.24
  5. Step 5: Solve for x
    x = 94,523,196,347.24/500,006.28
  6. Step 6: Final answer
    x = 189,044.02

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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.