Home / 358,018.23-536,951.71-105,229.96

Finding the Fourth Proportional to 358,018.23, 536,951.71 and 105,229.96

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Solution

The fourth proportional to 358,018.23, 536,951.71 and 105,229.96 is: 157,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,018.23 : 536,951.71 = 105,229.96 : x
  2. Step 2: Convert to fraction form
    358,018.23/536,951.71 = 105,229.96/x
  3. Step 3: Cross multiply
    358,018.23x = 536,951.71 × 105,229.96
  4. Step 4: Simplify right side
    358,018.23x = 56,503,406,439.08
  5. Step 5: Solve for x
    x = 56,503,406,439.08/358,018.23
  6. Step 6: Final answer
    x = 157,822.71

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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.