Home / 287,380.51-396,592.20-160,058.23

Finding the Fourth Proportional to 287,380.51, 396,592.20 and 160,058.23

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Solution

The fourth proportional to 287,380.51, 396,592.20 and 160,058.23 is: 220,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,380.51 : 396,592.20 = 160,058.23 : x
  2. Step 2: Convert to fraction form
    287,380.51/396,592.20 = 160,058.23/x
  3. Step 3: Cross multiply
    287,380.51x = 396,592.20 × 160,058.23
  4. Step 4: Simplify right side
    287,380.51x = 63,477,844,572.33
  5. Step 5: Solve for x
    x = 63,477,844,572.33/287,380.51
  6. Step 6: Final answer
    x = 220,884.31

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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.