Home / 454,931.16-682,538.34-135,084.70

Finding the Fourth Proportional to 454,931.16, 682,538.34 and 135,084.70

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Solution

The fourth proportional to 454,931.16, 682,538.34 and 135,084.70 is: 202,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,931.16 : 682,538.34 = 135,084.70 : x
  2. Step 2: Convert to fraction form
    454,931.16/682,538.34 = 135,084.70/x
  3. Step 3: Cross multiply
    454,931.16x = 682,538.34 × 135,084.70
  4. Step 4: Simplify right side
    454,931.16x = 92,200,486,897.40
  5. Step 5: Solve for x
    x = 92,200,486,897.40/454,931.16
  6. Step 6: Final answer
    x = 202,669.10

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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.