Home / 352,310.14-486,314.08-209,070.18

Finding the Fourth Proportional to 352,310.14, 486,314.08 and 209,070.18

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Solution

The fourth proportional to 352,310.14, 486,314.08 and 209,070.18 is: 288,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,310.14 : 486,314.08 = 209,070.18 : x
  2. Step 2: Convert to fraction form
    352,310.14/486,314.08 = 209,070.18/x
  3. Step 3: Cross multiply
    352,310.14x = 486,314.08 × 209,070.18
  4. Step 4: Simplify right side
    352,310.14x = 101,673,771,719.46
  5. Step 5: Solve for x
    x = 101,673,771,719.46/352,310.14
  6. Step 6: Final answer
    x = 288,591.67

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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.