Home / 310,084.32-427,919.28-175,937.76

Finding the Fourth Proportional to 310,084.32, 427,919.28 and 175,937.76

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Solution

The fourth proportional to 310,084.32, 427,919.28 and 175,937.76 is: 242,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,084.32 : 427,919.28 = 175,937.76 : x
  2. Step 2: Convert to fraction form
    310,084.32/427,919.28 = 175,937.76/x
  3. Step 3: Cross multiply
    310,084.32x = 427,919.28 × 175,937.76
  4. Step 4: Simplify right side
    310,084.32x = 75,287,159,584.01
  5. Step 5: Solve for x
    x = 75,287,159,584.01/310,084.32
  6. Step 6: Final answer
    x = 242,795.76

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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.