Home / 310,719.12-465,755.64-210,887.44

Finding the Fourth Proportional to 310,719.12, 465,755.64 and 210,887.44

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Solution

The fourth proportional to 310,719.12, 465,755.64 and 210,887.44 is: 316,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,719.12 : 465,755.64 = 210,887.44 : x
  2. Step 2: Convert to fraction form
    310,719.12/465,755.64 = 210,887.44/x
  3. Step 3: Cross multiply
    310,719.12x = 465,755.64 × 210,887.44
  4. Step 4: Simplify right side
    310,719.12x = 98,222,014,585.16
  5. Step 5: Solve for x
    x = 98,222,014,585.16/310,719.12
  6. Step 6: Final answer
    x = 316,111.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.