Home / 344,776.80-517,165.12-108,140.16

Finding the Fourth Proportional to 344,776.80, 517,165.12 and 108,140.16

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Solution

The fourth proportional to 344,776.80, 517,165.12 and 108,140.16 is: 162,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,776.80 : 517,165.12 = 108,140.16 : x
  2. Step 2: Convert to fraction form
    344,776.80/517,165.12 = 108,140.16/x
  3. Step 3: Cross multiply
    344,776.80x = 517,165.12 × 108,140.16
  4. Step 4: Simplify right side
    344,776.80x = 55,926,318,823.22
  5. Step 5: Solve for x
    x = 55,926,318,823.22/344,776.80
  6. Step 6: Final answer
    x = 162,210.21

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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.