Home / 254,421.04-381,132.55-147,580.53

Finding the Fourth Proportional to 254,421.04, 381,132.55 and 147,580.53

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Solution

The fourth proportional to 254,421.04, 381,132.55 and 147,580.53 is: 221,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,421.04 : 381,132.55 = 147,580.53 : x
  2. Step 2: Convert to fraction form
    254,421.04/381,132.55 = 147,580.53/x
  3. Step 3: Cross multiply
    254,421.04x = 381,132.55 × 147,580.53
  4. Step 4: Simplify right side
    254,421.04x = 56,247,743,729.25
  5. Step 5: Solve for x
    x = 56,247,743,729.25/254,421.04
  6. Step 6: Final answer
    x = 221,081.34

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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.