Home / 357,505.28-536,327.04-135,872

Finding the Fourth Proportional to 357,505.28, 536,327.04 and 135,872

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Solution

The fourth proportional to 357,505.28, 536,327.04 and 135,872 is: 203,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,505.28 : 536,327.04 = 135,872 : x
  2. Step 2: Convert to fraction form
    357,505.28/536,327.04 = 135,872/x
  3. Step 3: Cross multiply
    357,505.28x = 536,327.04 × 135,872
  4. Step 4: Simplify right side
    357,505.28x = 72,871,827,578.88
  5. Step 5: Solve for x
    x = 72,871,827,578.88/357,505.28
  6. Step 6: Final answer
    x = 203,834.27

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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.