Home / 382,360.34-572,292.95-281,131.55

Finding the Fourth Proportional to 382,360.34, 572,292.95 and 281,131.55

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Solution

The fourth proportional to 382,360.34, 572,292.95 and 281,131.55 is: 420,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,360.34 : 572,292.95 = 281,131.55 : x
  2. Step 2: Convert to fraction form
    382,360.34/572,292.95 = 281,131.55/x
  3. Step 3: Cross multiply
    382,360.34x = 572,292.95 × 281,131.55
  4. Step 4: Simplify right side
    382,360.34x = 160,889,599,820.45
  5. Step 5: Solve for x
    x = 160,889,599,820.45/382,360.34
  6. Step 6: Final answer
    x = 420,780.05

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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.