Home / 286,982.96-430,474.84-137,188.04

Finding the Fourth Proportional to 286,982.96, 430,474.84 and 137,188.04

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Solution

The fourth proportional to 286,982.96, 430,474.84 and 137,188.04 is: 205,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,982.96 : 430,474.84 = 137,188.04 : x
  2. Step 2: Convert to fraction form
    286,982.96/430,474.84 = 137,188.04/x
  3. Step 3: Cross multiply
    286,982.96x = 430,474.84 × 137,188.04
  4. Step 4: Simplify right side
    286,982.96x = 59,055,999,568.91
  5. Step 5: Solve for x
    x = 59,055,999,568.91/286,982.96
  6. Step 6: Final answer
    x = 205,782.25

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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.