Home / 343,318.11-514,878.75-103,455.24

Finding the Fourth Proportional to 343,318.11, 514,878.75 and 103,455.24

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Solution

The fourth proportional to 343,318.11, 514,878.75 and 103,455.24 is: 155,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318.11 : 514,878.75 = 103,455.24 : x
  2. Step 2: Convert to fraction form
    343,318.11/514,878.75 = 103,455.24/x
  3. Step 3: Cross multiply
    343,318.11x = 514,878.75 × 103,455.24
  4. Step 4: Simplify right side
    343,318.11x = 53,266,904,652.15
  5. Step 5: Solve for x
    x = 53,266,904,652.15/343,318.11
  6. Step 6: Final answer
    x = 155,153.20

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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.