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Finding the Fourth Proportional to 341,360.39, 470,964.98 and 220,572.86

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Solution

The fourth proportional to 341,360.39, 470,964.98 and 220,572.86 is: 304,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,360.39 : 470,964.98 = 220,572.86 : x
  2. Step 2: Convert to fraction form
    341,360.39/470,964.98 = 220,572.86/x
  3. Step 3: Cross multiply
    341,360.39x = 470,964.98 × 220,572.86
  4. Step 4: Simplify right side
    341,360.39x = 103,882,090,795.05
  5. Step 5: Solve for x
    x = 103,882,090,795.05/341,360.39
  6. Step 6: Final answer
    x = 304,317.94

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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.