Home / 347,712.90-521,569.35-214,852.65

Finding the Fourth Proportional to 347,712.90, 521,569.35 and 214,852.65

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Solution

The fourth proportional to 347,712.90, 521,569.35 and 214,852.65 is: 322,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,712.90 : 521,569.35 = 214,852.65 : x
  2. Step 2: Convert to fraction form
    347,712.90/521,569.35 = 214,852.65/x
  3. Step 3: Cross multiply
    347,712.90x = 521,569.35 × 214,852.65
  4. Step 4: Simplify right side
    347,712.90x = 112,060,557,006.28
  5. Step 5: Solve for x
    x = 112,060,557,006.28/347,712.90
  6. Step 6: Final answer
    x = 322,278.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.