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Finding the Fourth Proportional to 439,303.80, 606,270.06 and 248,318.76

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Solution

The fourth proportional to 439,303.80, 606,270.06 and 248,318.76 is: 342,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,303.80 : 606,270.06 = 248,318.76 : x
  2. Step 2: Convert to fraction form
    439,303.80/606,270.06 = 248,318.76/x
  3. Step 3: Cross multiply
    439,303.80x = 606,270.06 × 248,318.76
  4. Step 4: Simplify right side
    439,303.80x = 150,548,229,524.33
  5. Step 5: Solve for x
    x = 150,548,229,524.33/439,303.80
  6. Step 6: Final answer
    x = 342,697.31

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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.