Home / 228,965.84-315,961.62-126,983.32

Finding the Fourth Proportional to 228,965.84, 315,961.62 and 126,983.32

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Solution

The fourth proportional to 228,965.84, 315,961.62 and 126,983.32 is: 175,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,965.84 : 315,961.62 = 126,983.32 : x
  2. Step 2: Convert to fraction form
    228,965.84/315,961.62 = 126,983.32/x
  3. Step 3: Cross multiply
    228,965.84x = 315,961.62 × 126,983.32
  4. Step 4: Simplify right side
    228,965.84x = 40,121,855,500.18
  5. Step 5: Solve for x
    x = 40,121,855,500.18/228,965.84
  6. Step 6: Final answer
    x = 175,230.75

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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.