Home / 253,418.22-380,127.03-116,627.55

Finding the Fourth Proportional to 253,418.22, 380,127.03 and 116,627.55

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Solution

The fourth proportional to 253,418.22, 380,127.03 and 116,627.55 is: 174,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,418.22 : 380,127.03 = 116,627.55 : x
  2. Step 2: Convert to fraction form
    253,418.22/380,127.03 = 116,627.55/x
  3. Step 3: Cross multiply
    253,418.22x = 380,127.03 × 116,627.55
  4. Step 4: Simplify right side
    253,418.22x = 44,333,282,334.85
  5. Step 5: Solve for x
    x = 44,333,282,334.85/253,418.22
  6. Step 6: Final answer
    x = 174,941.18

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1.5x scale

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.