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Finding the Fourth Proportional to 439,484, 658,835.04 and 158,938.88

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Solution

The fourth proportional to 439,484, 658,835.04 and 158,938.88 is: 238,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,484 : 658,835.04 = 158,938.88 : x
  2. Step 2: Convert to fraction form
    439,484/658,835.04 = 158,938.88/x
  3. Step 3: Cross multiply
    439,484x = 658,835.04 × 158,938.88
  4. Step 4: Simplify right side
    439,484x = 104,714,503,362.36
  5. Step 5: Solve for x
    x = 104,714,503,362.36/439,484
  6. Step 6: Final answer
    x = 238,266.93

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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.