Home / 287,539.22-396,806.82-158,482.28

Finding the Fourth Proportional to 287,539.22, 396,806.82 and 158,482.28

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Solution

The fourth proportional to 287,539.22, 396,806.82 and 158,482.28 is: 218,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,539.22 : 396,806.82 = 158,482.28 : x
  2. Step 2: Convert to fraction form
    287,539.22/396,806.82 = 158,482.28/x
  3. Step 3: Cross multiply
    287,539.22x = 396,806.82 × 158,482.28
  4. Step 4: Simplify right side
    287,539.22x = 62,886,849,553.15
  5. Step 5: Solve for x
    x = 62,886,849,553.15/287,539.22
  6. Step 6: Final answer
    x = 218,707.03

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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.