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Finding the Fourth Proportional to 472,488.04, 652,021.50 and 257,632.12

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Solution

The fourth proportional to 472,488.04, 652,021.50 and 257,632.12 is: 355,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,488.04 : 652,021.50 = 257,632.12 : x
  2. Step 2: Convert to fraction form
    472,488.04/652,021.50 = 257,632.12/x
  3. Step 3: Cross multiply
    472,488.04x = 652,021.50 × 257,632.12
  4. Step 4: Simplify right side
    472,488.04x = 167,981,681,330.58
  5. Step 5: Solve for x
    x = 167,981,681,330.58/472,488.04
  6. Step 6: Final answer
    x = 355,525.79

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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.