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Finding the Fourth Proportional to 637,230.68, 955,848.72 and 258,158.78

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Solution

The fourth proportional to 637,230.68, 955,848.72 and 258,158.78 is: 387,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,230.68 : 955,848.72 = 258,158.78 : x
  2. Step 2: Convert to fraction form
    637,230.68/955,848.72 = 258,158.78/x
  3. Step 3: Cross multiply
    637,230.68x = 955,848.72 × 258,158.78
  4. Step 4: Simplify right side
    637,230.68x = 246,760,739,419.76
  5. Step 5: Solve for x
    x = 246,760,739,419.76/637,230.68
  6. Step 6: Final answer
    x = 387,239.26

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1.5x scale

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.