Home / 437,314.90-603,288.33-255,915.61

Finding the Fourth Proportional to 437,314.90, 603,288.33 and 255,915.61

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Solution

The fourth proportional to 437,314.90, 603,288.33 and 255,915.61 is: 353,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,314.90 : 603,288.33 = 255,915.61 : x
  2. Step 2: Convert to fraction form
    437,314.90/603,288.33 = 255,915.61/x
  3. Step 3: Cross multiply
    437,314.90x = 603,288.33 × 255,915.61
  4. Step 4: Simplify right side
    437,314.90x = 154,390,900,977.83
  5. Step 5: Solve for x
    x = 154,390,900,977.83/437,314.90
  6. Step 6: Final answer
    x = 353,042.86

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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.