Home / 360,319.77-497,232.45-199,170.63

Finding the Fourth Proportional to 360,319.77, 497,232.45 and 199,170.63

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Solution

The fourth proportional to 360,319.77, 497,232.45 and 199,170.63 is: 274,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,319.77 : 497,232.45 = 199,170.63 : x
  2. Step 2: Convert to fraction form
    360,319.77/497,232.45 = 199,170.63/x
  3. Step 3: Cross multiply
    360,319.77x = 497,232.45 × 199,170.63
  4. Step 4: Simplify right side
    360,319.77x = 99,034,100,322.94
  5. Step 5: Solve for x
    x = 99,034,100,322.94/360,319.77
  6. Step 6: Final answer
    x = 274,850.59

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Double scale
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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.