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Finding the Fourth Proportional to 473,702.22, 653,754.78 and 258,874.83

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Solution

The fourth proportional to 473,702.22, 653,754.78 and 258,874.83 is: 357,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,702.22 : 653,754.78 = 258,874.83 : x
  2. Step 2: Convert to fraction form
    473,702.22/653,754.78 = 258,874.83/x
  3. Step 3: Cross multiply
    473,702.22x = 653,754.78 × 258,874.83
  4. Step 4: Simplify right side
    473,702.22x = 169,240,657,534.19
  5. Step 5: Solve for x
    x = 169,240,657,534.19/473,702.22
  6. Step 6: Final answer
    x = 357,272.25

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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.