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Finding the Fourth Proportional to 295,668.48, 408,022.90 and 168,344.12

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Solution

The fourth proportional to 295,668.48, 408,022.90 and 168,344.12 is: 232,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,668.48 : 408,022.90 = 168,344.12 : x
  2. Step 2: Convert to fraction form
    295,668.48/408,022.90 = 168,344.12/x
  3. Step 3: Cross multiply
    295,668.48x = 408,022.90 × 168,344.12
  4. Step 4: Simplify right side
    295,668.48x = 68,688,256,040.35
  5. Step 5: Solve for x
    x = 68,688,256,040.35/295,668.48
  6. Step 6: Final answer
    x = 232,315.11

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1.5x scale

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.