Home / 232,904.07-321,408-130,935.24

Finding the Fourth Proportional to 232,904.07, 321,408 and 130,935.24

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Solution

The fourth proportional to 232,904.07, 321,408 and 130,935.24 is: 180,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,904.07 : 321,408 = 130,935.24 : x
  2. Step 2: Convert to fraction form
    232,904.07/321,408 = 130,935.24/x
  3. Step 3: Cross multiply
    232,904.07x = 321,408 × 130,935.24
  4. Step 4: Simplify right side
    232,904.07x = 42,083,633,617.92
  5. Step 5: Solve for x
    x = 42,083,633,617.92/232,904.07
  6. Step 6: Final answer
    x = 180,690.85

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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.