Home / 424,982.70-637,423.61-140,673.91

Finding the Fourth Proportional to 424,982.70, 637,423.61 and 140,673.91

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Solution

The fourth proportional to 424,982.70, 637,423.61 and 140,673.91 is: 210,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,982.70 : 637,423.61 = 140,673.91 : x
  2. Step 2: Convert to fraction form
    424,982.70/637,423.61 = 140,673.91/x
  3. Step 3: Cross multiply
    424,982.70x = 637,423.61 × 140,673.91
  4. Step 4: Simplify right side
    424,982.70x = 89,668,871,545.02
  5. Step 5: Solve for x
    x = 89,668,871,545.02/424,982.70
  6. Step 6: Final answer
    x = 210,994.17

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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.