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Finding the Fourth Proportional to 343,439.52, 473,534.66 and 222,536.68

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Solution

The fourth proportional to 343,439.52, 473,534.66 and 222,536.68 is: 306,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,439.52 : 473,534.66 = 222,536.68 : x
  2. Step 2: Convert to fraction form
    343,439.52/473,534.66 = 222,536.68/x
  3. Step 3: Cross multiply
    343,439.52x = 473,534.66 × 222,536.68
  4. Step 4: Simplify right side
    343,439.52x = 105,378,831,101.33
  5. Step 5: Solve for x
    x = 105,378,831,101.33/343,439.52
  6. Step 6: Final answer
    x = 306,833.74

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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.