Home / 281,621.04-388,637.91-152,560.86

Finding the Fourth Proportional to 281,621.04, 388,637.91 and 152,560.86

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Solution

The fourth proportional to 281,621.04, 388,637.91 and 152,560.86 is: 210,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,621.04 : 388,637.91 = 152,560.86 : x
  2. Step 2: Convert to fraction form
    281,621.04/388,637.91 = 152,560.86/x
  3. Step 3: Cross multiply
    281,621.04x = 388,637.91 × 152,560.86
  4. Step 4: Simplify right side
    281,621.04x = 59,290,933,778.20
  5. Step 5: Solve for x
    x = 59,290,933,778.20/281,621.04
  6. Step 6: Final answer
    x = 210,534.46

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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.