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Finding the Fourth Proportional to 444,925.15, 613,998.54 and 240,978.49

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Solution

The fourth proportional to 444,925.15, 613,998.54 and 240,978.49 is: 332,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,925.15 : 613,998.54 = 240,978.49 : x
  2. Step 2: Convert to fraction form
    444,925.15/613,998.54 = 240,978.49/x
  3. Step 3: Cross multiply
    444,925.15x = 613,998.54 × 240,978.49
  4. Step 4: Simplify right side
    444,925.15x = 147,960,441,031.41
  5. Step 5: Solve for x
    x = 147,960,441,031.41/444,925.15
  6. Step 6: Final answer
    x = 332,551.31

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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.