Home / 262,961.28-363,061.56-155,565.72

Finding the Fourth Proportional to 262,961.28, 363,061.56 and 155,565.72

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Solution

The fourth proportional to 262,961.28, 363,061.56 and 155,565.72 is: 214,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,961.28 : 363,061.56 = 155,565.72 : x
  2. Step 2: Convert to fraction form
    262,961.28/363,061.56 = 155,565.72/x
  3. Step 3: Cross multiply
    262,961.28x = 363,061.56 × 155,565.72
  4. Step 4: Simplify right side
    262,961.28x = 56,479,932,985.72
  5. Step 5: Solve for x
    x = 56,479,932,985.72/262,961.28
  6. Step 6: Final answer
    x = 214,784.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.