Home / 292,761.14-403,991.61-163,710.25

Finding the Fourth Proportional to 292,761.14, 403,991.61 and 163,710.25

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Solution

The fourth proportional to 292,761.14, 403,991.61 and 163,710.25 is: 225,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,761.14 : 403,991.61 = 163,710.25 : x
  2. Step 2: Convert to fraction form
    292,761.14/403,991.61 = 163,710.25/x
  3. Step 3: Cross multiply
    292,761.14x = 403,991.61 × 163,710.25
  4. Step 4: Simplify right side
    292,761.14x = 66,137,565,451.04
  5. Step 5: Solve for x
    x = 66,137,565,451.04/292,761.14
  6. Step 6: Final answer
    x = 225,909.65

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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.