Home / 345,140.48-517,710.24-108,503.84

Finding the Fourth Proportional to 345,140.48, 517,710.24 and 108,503.84

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Solution

The fourth proportional to 345,140.48, 517,710.24 and 108,503.84 is: 162,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,140.48 : 517,710.24 = 108,503.84 : x
  2. Step 2: Convert to fraction form
    345,140.48/517,710.24 = 108,503.84/x
  3. Step 3: Cross multiply
    345,140.48x = 517,710.24 × 108,503.84
  4. Step 4: Simplify right side
    345,140.48x = 56,173,549,047.32
  5. Step 5: Solve for x
    x = 56,173,549,047.32/345,140.48
  6. Step 6: Final answer
    x = 162,755.61

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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.