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Finding the Fourth Proportional to 517,798.24, 776,815.02 and 158,001.27

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Solution

The fourth proportional to 517,798.24, 776,815.02 and 158,001.27 is: 237,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,798.24 : 776,815.02 = 158,001.27 : x
  2. Step 2: Convert to fraction form
    517,798.24/776,815.02 = 158,001.27/x
  3. Step 3: Cross multiply
    517,798.24x = 776,815.02 × 158,001.27
  4. Step 4: Simplify right side
    517,798.24x = 122,737,763,356.40
  5. Step 5: Solve for x
    x = 122,737,763,356.40/517,798.24
  6. Step 6: Final answer
    x = 237,037.82

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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.