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Finding the Fourth Proportional to 302,437.40, 453,218.70 and 133,819.70

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Solution

The fourth proportional to 302,437.40, 453,218.70 and 133,819.70 is: 200,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,437.40 : 453,218.70 = 133,819.70 : x
  2. Step 2: Convert to fraction form
    302,437.40/453,218.70 = 133,819.70/x
  3. Step 3: Cross multiply
    302,437.40x = 453,218.70 × 133,819.70
  4. Step 4: Simplify right side
    302,437.40x = 60,649,590,468.39
  5. Step 5: Solve for x
    x = 60,649,590,468.39/302,437.40
  6. Step 6: Final answer
    x = 200,536.01

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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.