Home / 384,152.02-576,213.45-103,676.56

Finding the Fourth Proportional to 384,152.02, 576,213.45 and 103,676.56

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Solution

The fourth proportional to 384,152.02, 576,213.45 and 103,676.56 is: 155,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,152.02 : 576,213.45 = 103,676.56 : x
  2. Step 2: Convert to fraction form
    384,152.02/576,213.45 = 103,676.56/x
  3. Step 3: Cross multiply
    384,152.02x = 576,213.45 × 103,676.56
  4. Step 4: Simplify right side
    384,152.02x = 59,739,828,321.73
  5. Step 5: Solve for x
    x = 59,739,828,321.73/384,152.02
  6. Step 6: Final answer
    x = 155,510.91

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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.