Home / 434,255.82-599,272.61-243,270.57

Finding the Fourth Proportional to 434,255.82, 599,272.61 and 243,270.57

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Solution

The fourth proportional to 434,255.82, 599,272.61 and 243,270.57 is: 335,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,255.82 : 599,272.61 = 243,270.57 : x
  2. Step 2: Convert to fraction form
    434,255.82/599,272.61 = 243,270.57/x
  3. Step 3: Cross multiply
    434,255.82x = 599,272.61 × 243,270.57
  4. Step 4: Simplify right side
    434,255.82x = 145,785,389,420.09
  5. Step 5: Solve for x
    x = 145,785,389,420.09/434,255.82
  6. Step 6: Final answer
    x = 335,713.15

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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.