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Finding the Fourth Proportional to 473,021.84, 652,760.44 and 258,161.85

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Solution

The fourth proportional to 473,021.84, 652,760.44 and 258,161.85 is: 356,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,021.84 : 652,760.44 = 258,161.85 : x
  2. Step 2: Convert to fraction form
    473,021.84/652,760.44 = 258,161.85/x
  3. Step 3: Cross multiply
    473,021.84x = 652,760.44 × 258,161.85
  4. Step 4: Simplify right side
    473,021.84x = 168,517,842,151.81
  5. Step 5: Solve for x
    x = 168,517,842,151.81/473,021.84
  6. Step 6: Final answer
    x = 356,258.06

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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.