Home / 387,044.04-534,122.02-214,961.98

Finding the Fourth Proportional to 387,044.04, 534,122.02 and 214,961.98

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Solution

The fourth proportional to 387,044.04, 534,122.02 and 214,961.98 is: 296,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,044.04 : 534,122.02 = 214,961.98 : x
  2. Step 2: Convert to fraction form
    387,044.04/534,122.02 = 214,961.98/x
  3. Step 3: Cross multiply
    387,044.04x = 534,122.02 × 214,961.98
  4. Step 4: Simplify right side
    387,044.04x = 114,815,923,235.38
  5. Step 5: Solve for x
    x = 114,815,923,235.38/387,044.04
  6. Step 6: Final answer
    x = 296,648.21

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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.