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Finding the Fourth Proportional to 449,998.60, 675,095.10 and 134,487.40

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Solution

The fourth proportional to 449,998.60, 675,095.10 and 134,487.40 is: 201,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,998.60 : 675,095.10 = 134,487.40 : x
  2. Step 2: Convert to fraction form
    449,998.60/675,095.10 = 134,487.40/x
  3. Step 3: Cross multiply
    449,998.60x = 675,095.10 × 134,487.40
  4. Step 4: Simplify right side
    449,998.60x = 90,791,784,751.74
  5. Step 5: Solve for x
    x = 90,791,784,751.74/449,998.60
  6. Step 6: Final answer
    x = 201,760.15

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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.