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Finding the Fourth Proportional to 636,233.52, 954,325.35 and 215,509.38

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Solution

The fourth proportional to 636,233.52, 954,325.35 and 215,509.38 is: 323,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,233.52 : 954,325.35 = 215,509.38 : x
  2. Step 2: Convert to fraction form
    636,233.52/954,325.35 = 215,509.38/x
  3. Step 3: Cross multiply
    636,233.52x = 954,325.35 × 215,509.38
  4. Step 4: Simplify right side
    636,233.52x = 205,666,064,496.78
  5. Step 5: Solve for x
    x = 205,666,064,496.78/636,233.52
  6. Step 6: Final answer
    x = 323,255.63

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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.