Home / 279,603.03-385,856.57-152,278.52

Finding the Fourth Proportional to 279,603.03, 385,856.57 and 152,278.52

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Solution

The fourth proportional to 279,603.03, 385,856.57 and 152,278.52 is: 210,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,603.03 : 385,856.57 = 152,278.52 : x
  2. Step 2: Convert to fraction form
    279,603.03/385,856.57 = 152,278.52/x
  3. Step 3: Cross multiply
    279,603.03x = 385,856.57 × 152,278.52
  4. Step 4: Simplify right side
    279,603.03x = 58,757,667,411.88
  5. Step 5: Solve for x
    x = 58,757,667,411.88/279,603.03
  6. Step 6: Final answer
    x = 210,146.75

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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.