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Finding the Fourth Proportional to 225,903.80, 338,466.90 and 146,977.40

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Solution

The fourth proportional to 225,903.80, 338,466.90 and 146,977.40 is: 220,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,903.80 : 338,466.90 = 146,977.40 : x
  2. Step 2: Convert to fraction form
    225,903.80/338,466.90 = 146,977.40/x
  3. Step 3: Cross multiply
    225,903.80x = 338,466.90 × 146,977.40
  4. Step 4: Simplify right side
    225,903.80x = 49,746,984,948.06
  5. Step 5: Solve for x
    x = 49,746,984,948.06/225,903.80
  6. Step 6: Final answer
    x = 220,213.14

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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.