Home / 403,171.10-604,612.56-133,249.29

Finding the Fourth Proportional to 403,171.10, 604,612.56 and 133,249.29

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Solution

The fourth proportional to 403,171.10, 604,612.56 and 133,249.29 is: 199,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,171.10 : 604,612.56 = 133,249.29 : x
  2. Step 2: Convert to fraction form
    403,171.10/604,612.56 = 133,249.29/x
  3. Step 3: Cross multiply
    403,171.10x = 604,612.56 × 133,249.29
  4. Step 4: Simplify right side
    403,171.10x = 80,564,194,345.08
  5. Step 5: Solve for x
    x = 80,564,194,345.08/403,171.10
  6. Step 6: Final answer
    x = 199,826.32

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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.