Home / 215,062.16-321,650.04-191,535.68

Finding the Fourth Proportional to 215,062.16, 321,650.04 and 191,535.68

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Solution

The fourth proportional to 215,062.16, 321,650.04 and 191,535.68 is: 286,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,062.16 : 321,650.04 = 191,535.68 : x
  2. Step 2: Convert to fraction form
    215,062.16/321,650.04 = 191,535.68/x
  3. Step 3: Cross multiply
    215,062.16x = 321,650.04 × 191,535.68
  4. Step 4: Simplify right side
    215,062.16x = 61,607,459,133.43
  5. Step 5: Solve for x
    x = 61,607,459,133.43/215,062.16
  6. Step 6: Final answer
    x = 286,463.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.