Home / 310,316.24-427,976.52-190,876.88

Finding the Fourth Proportional to 310,316.24, 427,976.52 and 190,876.88

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Solution

The fourth proportional to 310,316.24, 427,976.52 and 190,876.88 is: 263,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,316.24 : 427,976.52 = 190,876.88 : x
  2. Step 2: Convert to fraction form
    310,316.24/427,976.52 = 190,876.88/x
  3. Step 3: Cross multiply
    310,316.24x = 427,976.52 × 190,876.88
  4. Step 4: Simplify right side
    310,316.24x = 81,690,822,850.86
  5. Step 5: Solve for x
    x = 81,690,822,850.86/310,316.24
  6. Step 6: Final answer
    x = 263,250.23

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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.