Home / 382,480.02-527,841.09-212,710.50

Finding the Fourth Proportional to 382,480.02, 527,841.09 and 212,710.50

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Solution

The fourth proportional to 382,480.02, 527,841.09 and 212,710.50 is: 293,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,480.02 : 527,841.09 = 212,710.50 : x
  2. Step 2: Convert to fraction form
    382,480.02/527,841.09 = 212,710.50/x
  3. Step 3: Cross multiply
    382,480.02x = 527,841.09 × 212,710.50
  4. Step 4: Simplify right side
    382,480.02x = 112,277,342,174.45
  5. Step 5: Solve for x
    x = 112,277,342,174.45/382,480.02
  6. Step 6: Final answer
    x = 293,550.87

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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.