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Finding the Fourth Proportional to 603,187.60, 905,291.70 and 248,456.20

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Solution

The fourth proportional to 603,187.60, 905,291.70 and 248,456.20 is: 372,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,187.60 : 905,291.70 = 248,456.20 : x
  2. Step 2: Convert to fraction form
    603,187.60/905,291.70 = 248,456.20/x
  3. Step 3: Cross multiply
    603,187.60x = 905,291.70 × 248,456.20
  4. Step 4: Simplify right side
    603,187.60x = 224,925,335,673.54
  5. Step 5: Solve for x
    x = 224,925,335,673.54/603,187.60
  6. Step 6: Final answer
    x = 372,894.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.