Home / 284,696.04-392,878.50-157,369.32

Finding the Fourth Proportional to 284,696.04, 392,878.50 and 157,369.32

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Solution

The fourth proportional to 284,696.04, 392,878.50 and 157,369.32 is: 217,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,696.04 : 392,878.50 = 157,369.32 : x
  2. Step 2: Convert to fraction form
    284,696.04/392,878.50 = 157,369.32/x
  3. Step 3: Cross multiply
    284,696.04x = 392,878.50 × 157,369.32
  4. Step 4: Simplify right side
    284,696.04x = 61,827,022,387.62
  5. Step 5: Solve for x
    x = 61,827,022,387.62/284,696.04
  6. Step 6: Final answer
    x = 217,168.54

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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.