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Finding the Fourth Proportional to 302,240.56, 453,344.45 and 91,862.10

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Solution

The fourth proportional to 302,240.56, 453,344.45 and 91,862.10 is: 137,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,240.56 : 453,344.45 = 91,862.10 : x
  2. Step 2: Convert to fraction form
    302,240.56/453,344.45 = 91,862.10/x
  3. Step 3: Cross multiply
    302,240.56x = 453,344.45 × 91,862.10
  4. Step 4: Simplify right side
    302,240.56x = 41,645,173,200.35
  5. Step 5: Solve for x
    x = 41,645,173,200.35/302,240.56
  6. Step 6: Final answer
    x = 137,788.17

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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.