Home / 262,439.57-393,721.83-84,946.57

Finding the Fourth Proportional to 262,439.57, 393,721.83 and 84,946.57

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Solution

The fourth proportional to 262,439.57, 393,721.83 and 84,946.57 is: 127,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,439.57 : 393,721.83 = 84,946.57 : x
  2. Step 2: Convert to fraction form
    262,439.57/393,721.83 = 84,946.57/x
  3. Step 3: Cross multiply
    262,439.57x = 393,721.83 × 84,946.57
  4. Step 4: Simplify right side
    262,439.57x = 33,445,318,008.32
  5. Step 5: Solve for x
    x = 33,445,318,008.32/262,439.57
  6. Step 6: Final answer
    x = 127,440.07

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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.