Home / 376,427.75-519,461.55-215,273.18

Finding the Fourth Proportional to 376,427.75, 519,461.55 and 215,273.18

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Solution

The fourth proportional to 376,427.75, 519,461.55 and 215,273.18 is: 297,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,427.75 : 519,461.55 = 215,273.18 : x
  2. Step 2: Convert to fraction form
    376,427.75/519,461.55 = 215,273.18/x
  3. Step 3: Cross multiply
    376,427.75x = 519,461.55 × 215,273.18
  4. Step 4: Simplify right side
    376,427.75x = 111,826,137,158.92
  5. Step 5: Solve for x
    x = 111,826,137,158.92/376,427.75
  6. Step 6: Final answer
    x = 297,071.98

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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.