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Finding the Fourth Proportional to 233,688.44, 322,490.16 and 126,258.45

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Solution

The fourth proportional to 233,688.44, 322,490.16 and 126,258.45 is: 174,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,688.44 : 322,490.16 = 126,258.45 : x
  2. Step 2: Convert to fraction form
    233,688.44/322,490.16 = 126,258.45/x
  3. Step 3: Cross multiply
    233,688.44x = 322,490.16 × 126,258.45
  4. Step 4: Simplify right side
    233,688.44x = 40,717,106,532.51
  5. Step 5: Solve for x
    x = 40,717,106,532.51/233,688.44
  6. Step 6: Final answer
    x = 174,236.71

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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.