Home / 370,637.76-556,571.54-231,282.12

Finding the Fourth Proportional to 370,637.76, 556,571.54 and 231,282.12

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Solution

The fourth proportional to 370,637.76, 556,571.54 and 231,282.12 is: 347,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,637.76 : 556,571.54 = 231,282.12 : x
  2. Step 2: Convert to fraction form
    370,637.76/556,571.54 = 231,282.12/x
  3. Step 3: Cross multiply
    370,637.76x = 556,571.54 × 231,282.12
  4. Step 4: Simplify right side
    370,637.76x = 128,725,045,702.87
  5. Step 5: Solve for x
    x = 128,725,045,702.87/370,637.76
  6. Step 6: Final answer
    x = 347,306.88

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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.