Home / 287,202.16-396,328.28-159,875.02

Finding the Fourth Proportional to 287,202.16, 396,328.28 and 159,875.02

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Solution

The fourth proportional to 287,202.16, 396,328.28 and 159,875.02 is: 220,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,202.16 : 396,328.28 = 159,875.02 : x
  2. Step 2: Convert to fraction form
    287,202.16/396,328.28 = 159,875.02/x
  3. Step 3: Cross multiply
    287,202.16x = 396,328.28 × 159,875.02
  4. Step 4: Simplify right side
    287,202.16x = 63,362,991,691.57
  5. Step 5: Solve for x
    x = 63,362,991,691.57/287,202.16
  6. Step 6: Final answer
    x = 220,621.57

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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.