Home / 272,830.46-409,364.75-95,464.76

Finding the Fourth Proportional to 272,830.46, 409,364.75 and 95,464.76

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Solution

The fourth proportional to 272,830.46, 409,364.75 and 95,464.76 is: 143,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,830.46 : 409,364.75 = 95,464.76 : x
  2. Step 2: Convert to fraction form
    272,830.46/409,364.75 = 95,464.76/x
  3. Step 3: Cross multiply
    272,830.46x = 409,364.75 × 95,464.76
  4. Step 4: Simplify right side
    272,830.46x = 39,079,905,803.05
  5. Step 5: Solve for x
    x = 39,079,905,803.05/272,830.46
  6. Step 6: Final answer
    x = 143,238.80

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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.