Home / 383,020.02-574,612.38-190,999.08

Finding the Fourth Proportional to 383,020.02, 574,612.38 and 190,999.08

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Solution

The fourth proportional to 383,020.02, 574,612.38 and 190,999.08 is: 286,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,020.02 : 574,612.38 = 190,999.08 : x
  2. Step 2: Convert to fraction form
    383,020.02/574,612.38 = 190,999.08/x
  3. Step 3: Cross multiply
    383,020.02x = 574,612.38 × 190,999.08
  4. Step 4: Simplify right side
    383,020.02x = 109,750,435,936.61
  5. Step 5: Solve for x
    x = 109,750,435,936.61/383,020.02
  6. Step 6: Final answer
    x = 286,539.69

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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.