Home / 385,576.20-578,364.30-250,273.80

Finding the Fourth Proportional to 385,576.20, 578,364.30 and 250,273.80

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Solution

The fourth proportional to 385,576.20, 578,364.30 and 250,273.80 is: 375,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,576.20 : 578,364.30 = 250,273.80 : x
  2. Step 2: Convert to fraction form
    385,576.20/578,364.30 = 250,273.80/x
  3. Step 3: Cross multiply
    385,576.20x = 578,364.30 × 250,273.80
  4. Step 4: Simplify right side
    385,576.20x = 144,749,431,145.34
  5. Step 5: Solve for x
    x = 144,749,431,145.34/385,576.20
  6. Step 6: Final answer
    x = 375,410.70

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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.