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Finding the Fourth Proportional to 383,143.46, 528,674.63 and 232,240.46

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Solution

The fourth proportional to 383,143.46, 528,674.63 and 232,240.46 is: 320,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,143.46 : 528,674.63 = 232,240.46 : x
  2. Step 2: Convert to fraction form
    383,143.46/528,674.63 = 232,240.46/x
  3. Step 3: Cross multiply
    383,143.46x = 528,674.63 × 232,240.46
  4. Step 4: Simplify right side
    383,143.46x = 122,779,635,456.95
  5. Step 5: Solve for x
    x = 122,779,635,456.95/383,143.46
  6. Step 6: Final answer
    x = 320,453.43

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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.