Home / 427,084.50-641,013.12-227,573.40

Finding the Fourth Proportional to 427,084.50, 641,013.12 and 227,573.40

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Solution

The fourth proportional to 427,084.50, 641,013.12 and 227,573.40 is: 341,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,084.50 : 641,013.12 = 227,573.40 : x
  2. Step 2: Convert to fraction form
    427,084.50/641,013.12 = 227,573.40/x
  3. Step 3: Cross multiply
    427,084.50x = 641,013.12 × 227,573.40
  4. Step 4: Simplify right side
    427,084.50x = 145,877,535,163.01
  5. Step 5: Solve for x
    x = 145,877,535,163.01/427,084.50
  6. Step 6: Final answer
    x = 341,565.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.