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Finding the Fourth Proportional to 295,645.64, 408,023.40 and 168,300.68

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Solution

The fourth proportional to 295,645.64, 408,023.40 and 168,300.68 is: 232,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,645.64 : 408,023.40 = 168,300.68 : x
  2. Step 2: Convert to fraction form
    295,645.64/408,023.40 = 168,300.68/x
  3. Step 3: Cross multiply
    295,645.64x = 408,023.40 × 168,300.68
  4. Step 4: Simplify right side
    295,645.64x = 68,670,615,675.91
  5. Step 5: Solve for x
    x = 68,670,615,675.91/295,645.64
  6. Step 6: Final answer
    x = 232,273.39

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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.