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Finding the Fourth Proportional to 245,276.54, 338,489.30 and 148,498.14

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Solution

The fourth proportional to 245,276.54, 338,489.30 and 148,498.14 is: 204,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,276.54 : 338,489.30 = 148,498.14 : x
  2. Step 2: Convert to fraction form
    245,276.54/338,489.30 = 148,498.14/x
  3. Step 3: Cross multiply
    245,276.54x = 338,489.30 × 148,498.14
  4. Step 4: Simplify right side
    245,276.54x = 50,265,031,459.90
  5. Step 5: Solve for x
    x = 50,265,031,459.90/245,276.54
  6. Step 6: Final answer
    x = 204,932.08

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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.