Home / 376,267.14-519,679.80-247,779.95

Finding the Fourth Proportional to 376,267.14, 519,679.80 and 247,779.95

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Solution

The fourth proportional to 376,267.14, 519,679.80 and 247,779.95 is: 342,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,267.14 : 519,679.80 = 247,779.95 : x
  2. Step 2: Convert to fraction form
    376,267.14/519,679.80 = 247,779.95/x
  3. Step 3: Cross multiply
    376,267.14x = 519,679.80 × 247,779.95
  4. Step 4: Simplify right side
    376,267.14x = 128,766,232,261.61
  5. Step 5: Solve for x
    x = 128,766,232,261.61/376,267.14
  6. Step 6: Final answer
    x = 342,220.24

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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.