Home / 287,947.24-432,003.85-88,297.05

Finding the Fourth Proportional to 287,947.24, 432,003.85 and 88,297.05

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Solution

The fourth proportional to 287,947.24, 432,003.85 and 88,297.05 is: 132,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,947.24 : 432,003.85 = 88,297.05 : x
  2. Step 2: Convert to fraction form
    287,947.24/432,003.85 = 88,297.05/x
  3. Step 3: Cross multiply
    287,947.24x = 432,003.85 × 88,297.05
  4. Step 4: Simplify right side
    287,947.24x = 38,144,666,942.91
  5. Step 5: Solve for x
    x = 38,144,666,942.91/287,947.24
  6. Step 6: Final answer
    x = 132,471.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.