Home / 376,230.02-564,012.79-287,877.98

Finding the Fourth Proportional to 376,230.02, 564,012.79 and 287,877.98

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Solution

The fourth proportional to 376,230.02, 564,012.79 and 287,877.98 is: 431,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,230.02 : 564,012.79 = 287,877.98 : x
  2. Step 2: Convert to fraction form
    376,230.02/564,012.79 = 287,877.98/x
  3. Step 3: Cross multiply
    376,230.02x = 564,012.79 × 287,877.98
  4. Step 4: Simplify right side
    376,230.02x = 162,366,863,369.70
  5. Step 5: Solve for x
    x = 162,366,863,369.70/376,230.02
  6. Step 6: Final answer
    x = 431,562.76

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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.