Home / 358,018.82-536,945.07-105,231.70

Finding the Fourth Proportional to 358,018.82, 536,945.07 and 105,231.70

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Solution

The fourth proportional to 358,018.82, 536,945.07 and 105,231.70 is: 157,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,018.82 : 536,945.07 = 105,231.70 : x
  2. Step 2: Convert to fraction form
    358,018.82/536,945.07 = 105,231.70/x
  3. Step 3: Cross multiply
    358,018.82x = 536,945.07 × 105,231.70
  4. Step 4: Simplify right side
    358,018.82x = 56,503,642,522.72
  5. Step 5: Solve for x
    x = 56,503,642,522.72/358,018.82
  6. Step 6: Final answer
    x = 157,823.11

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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.