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Finding the Fourth Proportional to 304,551.60, 420,225.48 and 177,268.20

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Solution

The fourth proportional to 304,551.60, 420,225.48 and 177,268.20 is: 244,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,551.60 : 420,225.48 = 177,268.20 : x
  2. Step 2: Convert to fraction form
    304,551.60/420,225.48 = 177,268.20/x
  3. Step 3: Cross multiply
    304,551.60x = 420,225.48 × 177,268.20
  4. Step 4: Simplify right side
    304,551.60x = 74,492,614,433.74
  5. Step 5: Solve for x
    x = 74,492,614,433.74/304,551.60
  6. Step 6: Final answer
    x = 244,597.68

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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.