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Finding the Fourth Proportional to 258,727.98, 357,000.20 and 237,799.86

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Solution

The fourth proportional to 258,727.98, 357,000.20 and 237,799.86 is: 328,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,727.98 : 357,000.20 = 237,799.86 : x
  2. Step 2: Convert to fraction form
    258,727.98/357,000.20 = 237,799.86/x
  3. Step 3: Cross multiply
    258,727.98x = 357,000.20 × 237,799.86
  4. Step 4: Simplify right side
    258,727.98x = 84,894,596,390.97
  5. Step 5: Solve for x
    x = 84,894,596,390.97/258,727.98
  6. Step 6: Final answer
    x = 328,122.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.