Home / 355,938.17-491,190.95-203,001.26

Finding the Fourth Proportional to 355,938.17, 491,190.95 and 203,001.26

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Solution

The fourth proportional to 355,938.17, 491,190.95 and 203,001.26 is: 280,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,938.17 : 491,190.95 = 203,001.26 : x
  2. Step 2: Convert to fraction form
    355,938.17/491,190.95 = 203,001.26/x
  3. Step 3: Cross multiply
    355,938.17x = 491,190.95 × 203,001.26
  4. Step 4: Simplify right side
    355,938.17x = 99,712,379,802.15
  5. Step 5: Solve for x
    x = 99,712,379,802.15/355,938.17
  6. Step 6: Final answer
    x = 280,139.61

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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.