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Finding the Fourth Proportional to 268,304.79, 370,242.71 and 147,443.48

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Solution

The fourth proportional to 268,304.79, 370,242.71 and 147,443.48 is: 203,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,304.79 : 370,242.71 = 147,443.48 : x
  2. Step 2: Convert to fraction form
    268,304.79/370,242.71 = 147,443.48/x
  3. Step 3: Cross multiply
    268,304.79x = 370,242.71 × 147,443.48
  4. Step 4: Simplify right side
    268,304.79x = 54,589,873,789.29
  5. Step 5: Solve for x
    x = 54,589,873,789.29/268,304.79
  6. Step 6: Final answer
    x = 203,462.16

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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.