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Finding the Fourth Proportional to 355,237.72, 490,222.32 and 194,089.32

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Solution

The fourth proportional to 355,237.72, 490,222.32 and 194,089.32 is: 267,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,237.72 : 490,222.32 = 194,089.32 : x
  2. Step 2: Convert to fraction form
    355,237.72/490,222.32 = 194,089.32/x
  3. Step 3: Cross multiply
    355,237.72x = 490,222.32 × 194,089.32
  4. Step 4: Simplify right side
    355,237.72x = 95,146,916,737.62
  5. Step 5: Solve for x
    x = 95,146,916,737.62/355,237.72
  6. Step 6: Final answer
    x = 267,840.13

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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.