Home / 231,478.16-319,549.05-174,139.27

Finding the Fourth Proportional to 231,478.16, 319,549.05 and 174,139.27

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Solution

The fourth proportional to 231,478.16, 319,549.05 and 174,139.27 is: 240,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,478.16 : 319,549.05 = 174,139.27 : x
  2. Step 2: Convert to fraction form
    231,478.16/319,549.05 = 174,139.27/x
  3. Step 3: Cross multiply
    231,478.16x = 319,549.05 × 174,139.27
  4. Step 4: Simplify right side
    231,478.16x = 55,646,037,497.32
  5. Step 5: Solve for x
    x = 55,646,037,497.32/231,478.16
  6. Step 6: Final answer
    x = 240,394.34

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1.5x scale

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.