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Finding the Fourth Proportional to 248,802.64, 343,335.24 and 141,358.48

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Solution

The fourth proportional to 248,802.64, 343,335.24 and 141,358.48 is: 195,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,802.64 : 343,335.24 = 141,358.48 : x
  2. Step 2: Convert to fraction form
    248,802.64/343,335.24 = 141,358.48/x
  3. Step 3: Cross multiply
    248,802.64x = 343,335.24 × 141,358.48
  4. Step 4: Simplify right side
    248,802.64x = 48,533,347,656.84
  5. Step 5: Solve for x
    x = 48,533,347,656.84/248,802.64
  6. Step 6: Final answer
    x = 195,067.66

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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.