Home / 307,545.49-424,423.29-178,474.02

Finding the Fourth Proportional to 307,545.49, 424,423.29 and 178,474.02

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Solution

The fourth proportional to 307,545.49, 424,423.29 and 178,474.02 is: 246,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.49 : 424,423.29 = 178,474.02 : x
  2. Step 2: Convert to fraction form
    307,545.49/424,423.29 = 178,474.02/x
  3. Step 3: Cross multiply
    307,545.49x = 424,423.29 × 178,474.02
  4. Step 4: Simplify right side
    307,545.49x = 75,748,530,747.93
  5. Step 5: Solve for x
    x = 75,748,530,747.93/307,545.49
  6. Step 6: Final answer
    x = 246,300.25

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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.