Home / 268,883.22-371,051.10-154,158.06

Finding the Fourth Proportional to 268,883.22, 371,051.10 and 154,158.06

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Solution

The fourth proportional to 268,883.22, 371,051.10 and 154,158.06 is: 212,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,883.22 : 371,051.10 = 154,158.06 : x
  2. Step 2: Convert to fraction form
    268,883.22/371,051.10 = 154,158.06/x
  3. Step 3: Cross multiply
    268,883.22x = 371,051.10 × 154,158.06
  4. Step 4: Simplify right side
    268,883.22x = 57,200,517,736.87
  5. Step 5: Solve for x
    x = 57,200,517,736.87/268,883.22
  6. Step 6: Final answer
    x = 212,733.68

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1.5x scale

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.