Home / 272,946.24-409,463.91-85,914

Finding the Fourth Proportional to 272,946.24, 409,463.91 and 85,914

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Solution

The fourth proportional to 272,946.24, 409,463.91 and 85,914 is: 128,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,946.24 : 409,463.91 = 85,914 : x
  2. Step 2: Convert to fraction form
    272,946.24/409,463.91 = 85,914/x
  3. Step 3: Cross multiply
    272,946.24x = 409,463.91 × 85,914
  4. Step 4: Simplify right side
    272,946.24x = 35,178,682,363.74
  5. Step 5: Solve for x
    x = 35,178,682,363.74/272,946.24
  6. Step 6: Final answer
    x = 128,885.02

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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.