Home / 231,532.22-319,420.40-150,931.46

Finding the Fourth Proportional to 231,532.22, 319,420.40 and 150,931.46

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Solution

The fourth proportional to 231,532.22, 319,420.40 and 150,931.46 is: 208,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,532.22 : 319,420.40 = 150,931.46 : x
  2. Step 2: Convert to fraction form
    231,532.22/319,420.40 = 150,931.46/x
  3. Step 3: Cross multiply
    231,532.22x = 319,420.40 × 150,931.46
  4. Step 4: Simplify right side
    231,532.22x = 48,210,587,325.78
  5. Step 5: Solve for x
    x = 48,210,587,325.78/231,532.22
  6. Step 6: Final answer
    x = 208,224.10

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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.