Home / 231,520.05-349,015.29-216,088.86

Finding the Fourth Proportional to 231,520.05, 349,015.29 and 216,088.86

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Solution

The fourth proportional to 231,520.05, 349,015.29 and 216,088.86 is: 325,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,520.05 : 349,015.29 = 216,088.86 : x
  2. Step 2: Convert to fraction form
    231,520.05/349,015.29 = 216,088.86/x
  3. Step 3: Cross multiply
    231,520.05x = 349,015.29 × 216,088.86
  4. Step 4: Simplify right side
    231,520.05x = 75,418,316,138.67
  5. Step 5: Solve for x
    x = 75,418,316,138.67/231,520.05
  6. Step 6: Final answer
    x = 325,752.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.