Home / 308,545.04-425,831.57-172,586.54

Finding the Fourth Proportional to 308,545.04, 425,831.57 and 172,586.54

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Solution

The fourth proportional to 308,545.04, 425,831.57 and 172,586.54 is: 238,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,545.04 : 425,831.57 = 172,586.54 : x
  2. Step 2: Convert to fraction form
    308,545.04/425,831.57 = 172,586.54/x
  3. Step 3: Cross multiply
    308,545.04x = 425,831.57 × 172,586.54
  4. Step 4: Simplify right side
    308,545.04x = 73,492,796,426.14
  5. Step 5: Solve for x
    x = 73,492,796,426.14/308,545.04
  6. Step 6: Final answer
    x = 238,191.47

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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.