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Finding the Fourth Proportional to 434,321.82, 599,380.59 and 243,328.68

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Solution

The fourth proportional to 434,321.82, 599,380.59 and 243,328.68 is: 335,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,321.82 : 599,380.59 = 243,328.68 : x
  2. Step 2: Convert to fraction form
    434,321.82/599,380.59 = 243,328.68/x
  3. Step 3: Cross multiply
    434,321.82x = 599,380.59 × 243,328.68
  4. Step 4: Simplify right side
    434,321.82x = 145,846,487,782.32
  5. Step 5: Solve for x
    x = 145,846,487,782.32/434,321.82
  6. Step 6: Final answer
    x = 335,802.81

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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.