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Finding the Fourth Proportional to 337,726.99, 506,765.13 and 148,320.51

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Solution

The fourth proportional to 337,726.99, 506,765.13 and 148,320.51 is: 222,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,726.99 : 506,765.13 = 148,320.51 : x
  2. Step 2: Convert to fraction form
    337,726.99/506,765.13 = 148,320.51/x
  3. Step 3: Cross multiply
    337,726.99x = 506,765.13 × 148,320.51
  4. Step 4: Simplify right side
    337,726.99x = 75,163,662,531.82
  5. Step 5: Solve for x
    x = 75,163,662,531.82/337,726.99
  6. Step 6: Final answer
    x = 222,557.46

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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.