Home / 424,701.06-586,079.88-231,102.18

Finding the Fourth Proportional to 424,701.06, 586,079.88 and 231,102.18

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Solution

The fourth proportional to 424,701.06, 586,079.88 and 231,102.18 is: 318,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,701.06 : 586,079.88 = 231,102.18 : x
  2. Step 2: Convert to fraction form
    424,701.06/586,079.88 = 231,102.18/x
  3. Step 3: Cross multiply
    424,701.06x = 586,079.88 × 231,102.18
  4. Step 4: Simplify right side
    424,701.06x = 135,444,340,119.94
  5. Step 5: Solve for x
    x = 135,444,340,119.94/424,701.06
  6. Step 6: Final answer
    x = 318,916.89

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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.