Home / 310,832.16-428,949.03-183,515.95

Finding the Fourth Proportional to 310,832.16, 428,949.03 and 183,515.95

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Solution

The fourth proportional to 310,832.16, 428,949.03 and 183,515.95 is: 253,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,832.16 : 428,949.03 = 183,515.95 : x
  2. Step 2: Convert to fraction form
    310,832.16/428,949.03 = 183,515.95/x
  3. Step 3: Cross multiply
    310,832.16x = 428,949.03 × 183,515.95
  4. Step 4: Simplify right side
    310,832.16x = 78,718,988,742.03
  5. Step 5: Solve for x
    x = 78,718,988,742.03/310,832.16
  6. Step 6: Final answer
    x = 253,252.39

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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.