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Finding the Fourth Proportional to 431,582.64, 595,586.64 and 240,608.16

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Solution

The fourth proportional to 431,582.64, 595,586.64 and 240,608.16 is: 332,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,582.64 : 595,586.64 = 240,608.16 : x
  2. Step 2: Convert to fraction form
    431,582.64/595,586.64 = 240,608.16/x
  3. Step 3: Cross multiply
    431,582.64x = 595,586.64 × 240,608.16
  4. Step 4: Simplify right side
    431,582.64x = 143,303,005,570.98
  5. Step 5: Solve for x
    x = 143,303,005,570.98/431,582.64
  6. Step 6: Final answer
    x = 332,040.71

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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.