Home / 345,004.14-517,331.10-157,855.26

Finding the Fourth Proportional to 345,004.14, 517,331.10 and 157,855.26

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Solution

The fourth proportional to 345,004.14, 517,331.10 and 157,855.26 is: 236,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,004.14 : 517,331.10 = 157,855.26 : x
  2. Step 2: Convert to fraction form
    345,004.14/517,331.10 = 157,855.26/x
  3. Step 3: Cross multiply
    345,004.14x = 517,331.10 × 157,855.26
  4. Step 4: Simplify right side
    345,004.14x = 81,663,435,296.59
  5. Step 5: Solve for x
    x = 81,663,435,296.59/345,004.14
  6. Step 6: Final answer
    x = 236,702.77

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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.