Home / 287,664.96-431,501.04-110,182.62

Finding the Fourth Proportional to 287,664.96, 431,501.04 and 110,182.62

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Solution

The fourth proportional to 287,664.96, 431,501.04 and 110,182.62 is: 165,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,664.96 : 431,501.04 = 110,182.62 : x
  2. Step 2: Convert to fraction form
    287,664.96/431,501.04 = 110,182.62/x
  3. Step 3: Cross multiply
    287,664.96x = 431,501.04 × 110,182.62
  4. Step 4: Simplify right side
    287,664.96x = 47,543,915,119.92
  5. Step 5: Solve for x
    x = 47,543,915,119.92/287,664.96
  6. Step 6: Final answer
    x = 165,275.31

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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.