Home / 226,214.08-312,321.48-140,264.32

Finding the Fourth Proportional to 226,214.08, 312,321.48 and 140,264.32

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Solution

The fourth proportional to 226,214.08, 312,321.48 and 140,264.32 is: 193,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,214.08 : 312,321.48 = 140,264.32 : x
  2. Step 2: Convert to fraction form
    226,214.08/312,321.48 = 140,264.32/x
  3. Step 3: Cross multiply
    226,214.08x = 312,321.48 × 140,264.32
  4. Step 4: Simplify right side
    226,214.08x = 43,807,560,013.59
  5. Step 5: Solve for x
    x = 43,807,560,013.59/226,214.08
  6. Step 6: Final answer
    x = 193,655.32

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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.