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Finding the Fourth Proportional to 472,006.91, 651,346.89 and 268,030.91

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Solution

The fourth proportional to 472,006.91, 651,346.89 and 268,030.91 is: 369,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,006.91 : 651,346.89 = 268,030.91 : x
  2. Step 2: Convert to fraction form
    472,006.91/651,346.89 = 268,030.91/x
  3. Step 3: Cross multiply
    472,006.91x = 651,346.89 × 268,030.91
  4. Step 4: Simplify right side
    472,006.91x = 174,581,099,652.37
  5. Step 5: Solve for x
    x = 174,581,099,652.37/472,006.91
  6. Step 6: Final answer
    x = 369,869.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.