Home / 284,289.02-392,316.18-156,965.54

Finding the Fourth Proportional to 284,289.02, 392,316.18 and 156,965.54

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Solution

The fourth proportional to 284,289.02, 392,316.18 and 156,965.54 is: 216,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,289.02 : 392,316.18 = 156,965.54 : x
  2. Step 2: Convert to fraction form
    284,289.02/392,316.18 = 156,965.54/x
  3. Step 3: Cross multiply
    284,289.02x = 392,316.18 × 156,965.54
  4. Step 4: Simplify right side
    284,289.02x = 61,580,121,044.44
  5. Step 5: Solve for x
    x = 61,580,121,044.44/284,289.02
  6. Step 6: Final answer
    x = 216,610.97

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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.