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Finding the Fourth Proportional to 426,258.72, 588,228.06 and 232,660.04

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Solution

The fourth proportional to 426,258.72, 588,228.06 and 232,660.04 is: 321,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,258.72 : 588,228.06 = 232,660.04 : x
  2. Step 2: Convert to fraction form
    426,258.72/588,228.06 = 232,660.04/x
  3. Step 3: Cross multiply
    426,258.72x = 588,228.06 × 232,660.04
  4. Step 4: Simplify right side
    426,258.72x = 136,857,163,968.72
  5. Step 5: Solve for x
    x = 136,857,163,968.72/426,258.72
  6. Step 6: Final answer
    x = 321,065.96

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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.