Home / 276,729.40-415,094.10-191,108.35

Finding the Fourth Proportional to 276,729.40, 415,094.10 and 191,108.35

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Solution

The fourth proportional to 276,729.40, 415,094.10 and 191,108.35 is: 286,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,729.40 : 415,094.10 = 191,108.35 : x
  2. Step 2: Convert to fraction form
    276,729.40/415,094.10 = 191,108.35/x
  3. Step 3: Cross multiply
    276,729.40x = 415,094.10 × 191,108.35
  4. Step 4: Simplify right side
    276,729.40x = 79,327,948,545.74
  5. Step 5: Solve for x
    x = 79,327,948,545.74/276,729.40
  6. Step 6: Final answer
    x = 286,662.53

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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.