Home / 215,707.32-323,577.36-73,508.40

Finding the Fourth Proportional to 215,707.32, 323,577.36 and 73,508.40

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Solution

The fourth proportional to 215,707.32, 323,577.36 and 73,508.40 is: 110,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,707.32 : 323,577.36 = 73,508.40 : x
  2. Step 2: Convert to fraction form
    215,707.32/323,577.36 = 73,508.40/x
  3. Step 3: Cross multiply
    215,707.32x = 323,577.36 × 73,508.40
  4. Step 4: Simplify right side
    215,707.32x = 23,785,654,009.82
  5. Step 5: Solve for x
    x = 23,785,654,009.82/215,707.32
  6. Step 6: Final answer
    x = 110,268.18

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1.5x scale

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.