Home / 284,827.15-393,064.09-157,504.87

Finding the Fourth Proportional to 284,827.15, 393,064.09 and 157,504.87

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Solution

The fourth proportional to 284,827.15, 393,064.09 and 157,504.87 is: 217,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,827.15 : 393,064.09 = 157,504.87 : x
  2. Step 2: Convert to fraction form
    284,827.15/393,064.09 = 157,504.87/x
  3. Step 3: Cross multiply
    284,827.15x = 393,064.09 × 157,504.87
  4. Step 4: Simplify right side
    284,827.15x = 61,909,509,380.65
  5. Step 5: Solve for x
    x = 61,909,509,380.65/284,827.15
  6. Step 6: Final answer
    x = 217,358.17

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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.