Home / 303,132.60-418,325.04-167,171.40

Finding the Fourth Proportional to 303,132.60, 418,325.04 and 167,171.40

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Solution

The fourth proportional to 303,132.60, 418,325.04 and 167,171.40 is: 230,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,132.60 : 418,325.04 = 167,171.40 : x
  2. Step 2: Convert to fraction form
    303,132.60/418,325.04 = 167,171.40/x
  3. Step 3: Cross multiply
    303,132.60x = 418,325.04 × 167,171.40
  4. Step 4: Simplify right side
    303,132.60x = 69,931,982,591.86
  5. Step 5: Solve for x
    x = 69,931,982,591.86/303,132.60
  6. Step 6: Final answer
    x = 230,697.66

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1.5x scale

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.