Home / 284,519.41-392,632.17-155,455.11

Finding the Fourth Proportional to 284,519.41, 392,632.17 and 155,455.11

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Solution

The fourth proportional to 284,519.41, 392,632.17 and 155,455.11 is: 214,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,519.41 : 392,632.17 = 155,455.11 : x
  2. Step 2: Convert to fraction form
    284,519.41/392,632.17 = 155,455.11/x
  3. Step 3: Cross multiply
    284,519.41x = 392,632.17 × 155,455.11
  4. Step 4: Simplify right side
    284,519.41x = 61,036,677,176.89
  5. Step 5: Solve for x
    x = 61,036,677,176.89/284,519.41
  6. Step 6: Final answer
    x = 214,525.53

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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.