Home / 335,132.78-502,541.21-121,750.20

Finding the Fourth Proportional to 335,132.78, 502,541.21 and 121,750.20

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Solution

The fourth proportional to 335,132.78, 502,541.21 and 121,750.20 is: 182,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,132.78 : 502,541.21 = 121,750.20 : x
  2. Step 2: Convert to fraction form
    335,132.78/502,541.21 = 121,750.20/x
  3. Step 3: Cross multiply
    335,132.78x = 502,541.21 × 121,750.20
  4. Step 4: Simplify right side
    335,132.78x = 61,184,493,130.12
  5. Step 5: Solve for x
    x = 61,184,493,130.12/335,132.78
  6. Step 6: Final answer
    x = 182,567.92

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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.