Home / 306,545.07-459,812.30-137,946.11

Finding the Fourth Proportional to 306,545.07, 459,812.30 and 137,946.11

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Solution

The fourth proportional to 306,545.07, 459,812.30 and 137,946.11 is: 206,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,545.07 : 459,812.30 = 137,946.11 : x
  2. Step 2: Convert to fraction form
    306,545.07/459,812.30 = 137,946.11/x
  3. Step 3: Cross multiply
    306,545.07x = 459,812.30 × 137,946.11
  4. Step 4: Simplify right side
    306,545.07x = 63,429,315,126.36
  5. Step 5: Solve for x
    x = 63,429,315,126.36/306,545.07
  6. Step 6: Final answer
    x = 206,916.77

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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.