Home / 366,905.40-549,839.70-255,967.80

Finding the Fourth Proportional to 366,905.40, 549,839.70 and 255,967.80

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Solution

The fourth proportional to 366,905.40, 549,839.70 and 255,967.80 is: 383,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905.40 : 549,839.70 = 255,967.80 : x
  2. Step 2: Convert to fraction form
    366,905.40/549,839.70 = 255,967.80/x
  3. Step 3: Cross multiply
    366,905.40x = 549,839.70 × 255,967.80
  4. Step 4: Simplify right side
    366,905.40x = 140,741,258,361.66
  5. Step 5: Solve for x
    x = 140,741,258,361.66/366,905.40
  6. Step 6: Final answer
    x = 383,590.04

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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.