Home / 424,954.22-637,478.04-140,541.18

Finding the Fourth Proportional to 424,954.22, 637,478.04 and 140,541.18

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Solution

The fourth proportional to 424,954.22, 637,478.04 and 140,541.18 is: 210,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,954.22 : 637,478.04 = 140,541.18 : x
  2. Step 2: Convert to fraction form
    424,954.22/637,478.04 = 140,541.18/x
  3. Step 3: Cross multiply
    424,954.22x = 637,478.04 × 140,541.18
  4. Step 4: Simplify right side
    424,954.22x = 89,591,913,113.99
  5. Step 5: Solve for x
    x = 89,591,913,113.99/424,954.22
  6. Step 6: Final answer
    x = 210,827.21

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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.