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Finding the Fourth Proportional to 245,281.14, 338,490.90 and 148,483.62

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Solution

The fourth proportional to 245,281.14, 338,490.90 and 148,483.62 is: 204,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,281.14 : 338,490.90 = 148,483.62 : x
  2. Step 2: Convert to fraction form
    245,281.14/338,490.90 = 148,483.62/x
  3. Step 3: Cross multiply
    245,281.14x = 338,490.90 × 148,483.62
  4. Step 4: Simplify right side
    245,281.14x = 50,260,354,169.06
  5. Step 5: Solve for x
    x = 50,260,354,169.06/245,281.14
  6. Step 6: Final answer
    x = 204,909.17

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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.