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Finding the Fourth Proportional to 472,341.54, 708,529.32 and 117,357.42

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Solution

The fourth proportional to 472,341.54, 708,529.32 and 117,357.42 is: 176,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,341.54 : 708,529.32 = 117,357.42 : x
  2. Step 2: Convert to fraction form
    472,341.54/708,529.32 = 117,357.42/x
  3. Step 3: Cross multiply
    472,341.54x = 708,529.32 × 117,357.42
  4. Step 4: Simplify right side
    472,341.54x = 83,151,172,989.55
  5. Step 5: Solve for x
    x = 83,151,172,989.55/472,341.54
  6. Step 6: Final answer
    x = 176,040.36

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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.