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Finding the Fourth Proportional to 472,910.40, 652,604.04 and 258,053.04

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Solution

The fourth proportional to 472,910.40, 652,604.04 and 258,053.04 is: 356,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,910.40 : 652,604.04 = 258,053.04 : x
  2. Step 2: Convert to fraction form
    472,910.40/652,604.04 = 258,053.04/x
  3. Step 3: Cross multiply
    472,910.40x = 652,604.04 × 258,053.04
  4. Step 4: Simplify right side
    472,910.40x = 168,406,456,438.28
  5. Step 5: Solve for x
    x = 168,406,456,438.28/472,910.40
  6. Step 6: Final answer
    x = 356,106.48

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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.