Home / 302,349.90-453,087.45-133,732.20

Finding the Fourth Proportional to 302,349.90, 453,087.45 and 133,732.20

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Solution

The fourth proportional to 302,349.90, 453,087.45 and 133,732.20 is: 200,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,349.90 : 453,087.45 = 133,732.20 : x
  2. Step 2: Convert to fraction form
    302,349.90/453,087.45 = 133,732.20/x
  3. Step 3: Cross multiply
    302,349.90x = 453,087.45 × 133,732.20
  4. Step 4: Simplify right side
    302,349.90x = 60,592,381,480.89
  5. Step 5: Solve for x
    x = 60,592,381,480.89/302,349.90
  6. Step 6: Final answer
    x = 200,404.83

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1.5x scale

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.