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Finding the Fourth Proportional to 439,319.59, 606,252.98 and 248,332.98

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Solution

The fourth proportional to 439,319.59, 606,252.98 and 248,332.98 is: 342,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,319.59 : 606,252.98 = 248,332.98 : x
  2. Step 2: Convert to fraction form
    439,319.59/606,252.98 = 248,332.98/x
  3. Step 3: Cross multiply
    439,319.59x = 606,252.98 × 248,332.98
  4. Step 4: Simplify right side
    439,319.59x = 150,552,609,157.28
  5. Step 5: Solve for x
    x = 150,552,609,157.28/439,319.59
  6. Step 6: Final answer
    x = 342,694.96

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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.