Home / 409,905.20-565,583.16-248,845.04

Finding the Fourth Proportional to 409,905.20, 565,583.16 and 248,845.04

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Solution

The fourth proportional to 409,905.20, 565,583.16 and 248,845.04 is: 343,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,905.20 : 565,583.16 = 248,845.04 : x
  2. Step 2: Convert to fraction form
    409,905.20/565,583.16 = 248,845.04/x
  3. Step 3: Cross multiply
    409,905.20x = 565,583.16 × 248,845.04
  4. Step 4: Simplify right side
    409,905.20x = 140,742,564,073.53
  5. Step 5: Solve for x
    x = 140,742,564,073.53/409,905.20
  6. Step 6: Final answer
    x = 343,353.94

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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.