Home / 284,566.65-392,684.94-155,479.38

Finding the Fourth Proportional to 284,566.65, 392,684.94 and 155,479.38

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Solution

The fourth proportional to 284,566.65, 392,684.94 and 155,479.38 is: 214,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,566.65 : 392,684.94 = 155,479.38 : x
  2. Step 2: Convert to fraction form
    284,566.65/392,684.94 = 155,479.38/x
  3. Step 3: Cross multiply
    284,566.65x = 392,684.94 × 155,479.38
  4. Step 4: Simplify right side
    284,566.65x = 61,054,411,006.54
  5. Step 5: Solve for x
    x = 61,054,411,006.54/284,566.65
  6. Step 6: Final answer
    x = 214,552.24

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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.