Home / 380,249.40-570,158.13-155,346.53

Finding the Fourth Proportional to 380,249.40, 570,158.13 and 155,346.53

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Solution

The fourth proportional to 380,249.40, 570,158.13 and 155,346.53 is: 232,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,249.40 : 570,158.13 = 155,346.53 : x
  2. Step 2: Convert to fraction form
    380,249.40/570,158.13 = 155,346.53/x
  3. Step 3: Cross multiply
    380,249.40x = 570,158.13 × 155,346.53
  4. Step 4: Simplify right side
    380,249.40x = 88,572,087,046.79
  5. Step 5: Solve for x
    x = 88,572,087,046.79/380,249.40
  6. Step 6: Final answer
    x = 232,931.56

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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.