Home / 284,301.12-392,325.26-156,973.98

Finding the Fourth Proportional to 284,301.12, 392,325.26 and 156,973.98

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Solution

The fourth proportional to 284,301.12, 392,325.26 and 156,973.98 is: 216,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,301.12 : 392,325.26 = 156,973.98 : x
  2. Step 2: Convert to fraction form
    284,301.12/392,325.26 = 156,973.98/x
  3. Step 3: Cross multiply
    284,301.12x = 392,325.26 × 156,973.98
  4. Step 4: Simplify right side
    284,301.12x = 61,584,858,203.08
  5. Step 5: Solve for x
    x = 61,584,858,203.08/284,301.12
  6. Step 6: Final answer
    x = 216,618.41

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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.