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Finding the Fourth Proportional to 472,940.20, 652,671.35 and 258,094.14

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Solution

The fourth proportional to 472,940.20, 652,671.35 and 258,094.14 is: 356,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,940.20 : 652,671.35 = 258,094.14 : x
  2. Step 2: Convert to fraction form
    472,940.20/652,671.35 = 258,094.14/x
  3. Step 3: Cross multiply
    472,940.20x = 652,671.35 × 258,094.14
  4. Step 4: Simplify right side
    472,940.20x = 168,450,650,780.89
  5. Step 5: Solve for x
    x = 168,450,650,780.89/472,940.20
  6. Step 6: Final answer
    x = 356,177.48

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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.