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Finding the Fourth Proportional to 359,159.39, 538,817.93 and 106,459.37

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Solution

The fourth proportional to 359,159.39, 538,817.93 and 106,459.37 is: 159,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,159.39 : 538,817.93 = 106,459.37 : x
  2. Step 2: Convert to fraction form
    359,159.39/538,817.93 = 106,459.37/x
  3. Step 3: Cross multiply
    359,159.39x = 538,817.93 × 106,459.37
  4. Step 4: Simplify right side
    359,159.39x = 57,362,216,565.91
  5. Step 5: Solve for x
    x = 57,362,216,565.91/359,159.39
  6. Step 6: Final answer
    x = 159,712.42

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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.