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Finding the Fourth Proportional to 434,275, 599,299.50 and 243,288.34

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Solution

The fourth proportional to 434,275, 599,299.50 and 243,288.34 is: 335,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,275 : 599,299.50 = 243,288.34 : x
  2. Step 2: Convert to fraction form
    434,275/599,299.50 = 243,288.34/x
  3. Step 3: Cross multiply
    434,275x = 599,299.50 × 243,288.34
  4. Step 4: Simplify right side
    434,275x = 145,802,580,517.83
  5. Step 5: Solve for x
    x = 145,802,580,517.83/434,275
  6. Step 6: Final answer
    x = 335,737.91

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1.5x scale

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.