Home / 287,370.07-396,570.47-166,581.32

Finding the Fourth Proportional to 287,370.07, 396,570.47 and 166,581.32

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Solution

The fourth proportional to 287,370.07, 396,570.47 and 166,581.32 is: 229,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,370.07 : 396,570.47 = 166,581.32 : x
  2. Step 2: Convert to fraction form
    287,370.07/396,570.47 = 166,581.32/x
  3. Step 3: Cross multiply
    287,370.07x = 396,570.47 × 166,581.32
  4. Step 4: Simplify right side
    287,370.07x = 66,061,229,549.86
  5. Step 5: Solve for x
    x = 66,061,229,549.86/287,370.07
  6. Step 6: Final answer
    x = 229,882.08

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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.