Home / 231,408.24-319,339.13-130,806.24

Finding the Fourth Proportional to 231,408.24, 319,339.13 and 130,806.24

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Solution

The fourth proportional to 231,408.24, 319,339.13 and 130,806.24 is: 180,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,408.24 : 319,339.13 = 130,806.24 : x
  2. Step 2: Convert to fraction form
    231,408.24/319,339.13 = 130,806.24/x
  3. Step 3: Cross multiply
    231,408.24x = 319,339.13 × 130,806.24
  4. Step 4: Simplify right side
    231,408.24x = 41,771,549,283.48
  5. Step 5: Solve for x
    x = 41,771,549,283.48/231,408.24
  6. Step 6: Final answer
    x = 180,510.21

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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.