Home / 437,619.60-656,429.40-248,662.80

Finding the Fourth Proportional to 437,619.60, 656,429.40 and 248,662.80

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Solution

The fourth proportional to 437,619.60, 656,429.40 and 248,662.80 is: 372,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,619.60 : 656,429.40 = 248,662.80 : x
  2. Step 2: Convert to fraction form
    437,619.60/656,429.40 = 248,662.80/x
  3. Step 3: Cross multiply
    437,619.60x = 656,429.40 × 248,662.80
  4. Step 4: Simplify right side
    437,619.60x = 163,229,572,606.32
  5. Step 5: Solve for x
    x = 163,229,572,606.32/437,619.60
  6. Step 6: Final answer
    x = 372,994.20

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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.