Home / 361,392.03-498,707.55-208,436.63

Finding the Fourth Proportional to 361,392.03, 498,707.55 and 208,436.63

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Solution

The fourth proportional to 361,392.03, 498,707.55 and 208,436.63 is: 287,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,392.03 : 498,707.55 = 208,436.63 : x
  2. Step 2: Convert to fraction form
    361,392.03/498,707.55 = 208,436.63/x
  3. Step 3: Cross multiply
    361,392.03x = 498,707.55 × 208,436.63
  4. Step 4: Simplify right side
    361,392.03x = 103,948,918,584.02
  5. Step 5: Solve for x
    x = 103,948,918,584.02/361,392.03
  6. Step 6: Final answer
    x = 287,634.78

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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.