Home / 302,581.40-453,872.10-136,693.40

Finding the Fourth Proportional to 302,581.40, 453,872.10 and 136,693.40

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Solution

The fourth proportional to 302,581.40, 453,872.10 and 136,693.40 is: 205,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,581.40 : 453,872.10 = 136,693.40 : x
  2. Step 2: Convert to fraction form
    302,581.40/453,872.10 = 136,693.40/x
  3. Step 3: Cross multiply
    302,581.40x = 453,872.10 × 136,693.40
  4. Step 4: Simplify right side
    302,581.40x = 62,041,320,514.14
  5. Step 5: Solve for x
    x = 62,041,320,514.14/302,581.40
  6. Step 6: Final answer
    x = 205,040.10

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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.