Home / 215,386.92-322,376.06-158,445.63

Finding the Fourth Proportional to 215,386.92, 322,376.06 and 158,445.63

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Solution

The fourth proportional to 215,386.92, 322,376.06 and 158,445.63 is: 237,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,386.92 : 322,376.06 = 158,445.63 : x
  2. Step 2: Convert to fraction form
    215,386.92/322,376.06 = 158,445.63/x
  3. Step 3: Cross multiply
    215,386.92x = 322,376.06 × 158,445.63
  4. Step 4: Simplify right side
    215,386.92x = 51,079,077,131.39
  5. Step 5: Solve for x
    x = 51,079,077,131.39/215,386.92
  6. Step 6: Final answer
    x = 237,150.32

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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.