Home / 265,538.07-398,306.70-123,305.56

Finding the Fourth Proportional to 265,538.07, 398,306.70 and 123,305.56

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Solution

The fourth proportional to 265,538.07, 398,306.70 and 123,305.56 is: 184,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,538.07 : 398,306.70 = 123,305.56 : x
  2. Step 2: Convert to fraction form
    265,538.07/398,306.70 = 123,305.56/x
  3. Step 3: Cross multiply
    265,538.07x = 398,306.70 × 123,305.56
  4. Step 4: Simplify right side
    265,538.07x = 49,113,429,699.49
  5. Step 5: Solve for x
    x = 49,113,429,699.49/265,538.07
  6. Step 6: Final answer
    x = 184,958.15

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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.