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Finding the Fourth Proportional to 439,482, 658,832.04 and 158,936.88

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Solution

The fourth proportional to 439,482, 658,832.04 and 158,936.88 is: 238,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,482 : 658,832.04 = 158,936.88 : x
  2. Step 2: Convert to fraction form
    439,482/658,832.04 = 158,936.88/x
  3. Step 3: Cross multiply
    439,482x = 658,832.04 × 158,936.88
  4. Step 4: Simplify right side
    439,482x = 104,712,708,881.64
  5. Step 5: Solve for x
    x = 104,712,708,881.64/439,482
  6. Step 6: Final answer
    x = 238,263.93

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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.