Home / 284,904.66-393,175.20-157,582.74

Finding the Fourth Proportional to 284,904.66, 393,175.20 and 157,582.74

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Solution

The fourth proportional to 284,904.66, 393,175.20 and 157,582.74 is: 217,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,904.66 : 393,175.20 = 157,582.74 : x
  2. Step 2: Convert to fraction form
    284,904.66/393,175.20 = 157,582.74/x
  3. Step 3: Cross multiply
    284,904.66x = 393,175.20 × 157,582.74
  4. Step 4: Simplify right side
    284,904.66x = 61,957,625,316.05
  5. Step 5: Solve for x
    x = 61,957,625,316.05/284,904.66
  6. Step 6: Final answer
    x = 217,467.93

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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.