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Finding the Fourth Proportional to 342,583.36, 514,463.10 and 210,240.70

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Solution

The fourth proportional to 342,583.36, 514,463.10 and 210,240.70 is: 315,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,583.36 : 514,463.10 = 210,240.70 : x
  2. Step 2: Convert to fraction form
    342,583.36/514,463.10 = 210,240.70/x
  3. Step 3: Cross multiply
    342,583.36x = 514,463.10 × 210,240.70
  4. Step 4: Simplify right side
    342,583.36x = 108,161,082,268.17
  5. Step 5: Solve for x
    x = 108,161,082,268.17/342,583.36
  6. Step 6: Final answer
    x = 315,721.94

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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.