Home / 356,372.46-533,990.07-261,161.42

Finding the Fourth Proportional to 356,372.46, 533,990.07 and 261,161.42

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Solution

The fourth proportional to 356,372.46, 533,990.07 and 261,161.42 is: 391,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,372.46 : 533,990.07 = 261,161.42 : x
  2. Step 2: Convert to fraction form
    356,372.46/533,990.07 = 261,161.42/x
  3. Step 3: Cross multiply
    356,372.46x = 533,990.07 × 261,161.42
  4. Step 4: Simplify right side
    356,372.46x = 139,457,602,277.15
  5. Step 5: Solve for x
    x = 139,457,602,277.15/356,372.46
  6. Step 6: Final answer
    x = 391,325.42

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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.