Home / 284,295.74-426,545.13-122,121.65

Finding the Fourth Proportional to 284,295.74, 426,545.13 and 122,121.65

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Solution

The fourth proportional to 284,295.74, 426,545.13 and 122,121.65 is: 183,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,295.74 : 426,545.13 = 122,121.65 : x
  2. Step 2: Convert to fraction form
    284,295.74/426,545.13 = 122,121.65/x
  3. Step 3: Cross multiply
    284,295.74x = 426,545.13 × 122,121.65
  4. Step 4: Simplify right side
    284,295.74x = 52,090,392,942.34
  5. Step 5: Solve for x
    x = 52,090,392,942.34/284,295.74
  6. Step 6: Final answer
    x = 183,226.08

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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.