Home / 438,637.04-658,018.32-135,056.88

Finding the Fourth Proportional to 438,637.04, 658,018.32 and 135,056.88

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Solution

The fourth proportional to 438,637.04, 658,018.32 and 135,056.88 is: 202,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,637.04 : 658,018.32 = 135,056.88 : x
  2. Step 2: Convert to fraction form
    438,637.04/658,018.32 = 135,056.88/x
  3. Step 3: Cross multiply
    438,637.04x = 658,018.32 × 135,056.88
  4. Step 4: Simplify right side
    438,637.04x = 88,869,901,282.04
  5. Step 5: Solve for x
    x = 88,869,901,282.04/438,637.04
  6. Step 6: Final answer
    x = 202,604.64

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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.