Home / 278,401.46-384,195.02-151,077.02

Finding the Fourth Proportional to 278,401.46, 384,195.02 and 151,077.02

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Solution

The fourth proportional to 278,401.46, 384,195.02 and 151,077.02 is: 208,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,401.46 : 384,195.02 = 151,077.02 : x
  2. Step 2: Convert to fraction form
    278,401.46/384,195.02 = 151,077.02/x
  3. Step 3: Cross multiply
    278,401.46x = 384,195.02 × 151,077.02
  4. Step 4: Simplify right side
    278,401.46x = 58,043,036,044.08
  5. Step 5: Solve for x
    x = 58,043,036,044.08/278,401.46
  6. Step 6: Final answer
    x = 208,486.83

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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.