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Finding the Fourth Proportional to 355,466.98, 490,543.32 and 194,322.16

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Solution

The fourth proportional to 355,466.98, 490,543.32 and 194,322.16 is: 268,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,466.98 : 490,543.32 = 194,322.16 : x
  2. Step 2: Convert to fraction form
    355,466.98/490,543.32 = 194,322.16/x
  3. Step 3: Cross multiply
    355,466.98x = 490,543.32 × 194,322.16
  4. Step 4: Simplify right side
    355,466.98x = 95,323,437,515.97
  5. Step 5: Solve for x
    x = 95,323,437,515.97/355,466.98
  6. Step 6: Final answer
    x = 268,163.97

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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.