Home / 284,566.34-392,698.77-157,239.20

Finding the Fourth Proportional to 284,566.34, 392,698.77 and 157,239.20

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Solution

The fourth proportional to 284,566.34, 392,698.77 and 157,239.20 is: 216,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,566.34 : 392,698.77 = 157,239.20 : x
  2. Step 2: Convert to fraction form
    284,566.34/392,698.77 = 157,239.20/x
  3. Step 3: Cross multiply
    284,566.34x = 392,698.77 × 157,239.20
  4. Step 4: Simplify right side
    284,566.34x = 61,747,640,827.88
  5. Step 5: Solve for x
    x = 61,747,640,827.88/284,566.34
  6. Step 6: Final answer
    x = 216,988.56

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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.