Home / 284,157.47-392,135.37-156,833.08

Finding the Fourth Proportional to 284,157.47, 392,135.37 and 156,833.08

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Solution

The fourth proportional to 284,157.47, 392,135.37 and 156,833.08 is: 216,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,157.47 : 392,135.37 = 156,833.08 : x
  2. Step 2: Convert to fraction form
    284,157.47/392,135.37 = 156,833.08/x
  3. Step 3: Cross multiply
    284,157.47x = 392,135.37 × 156,833.08
  4. Step 4: Simplify right side
    284,157.47x = 61,499,795,893.36
  5. Step 5: Solve for x
    x = 61,499,795,893.36/284,157.47
  6. Step 6: Final answer
    x = 216,428.57

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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.