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Finding the Fourth Proportional to 233,970.29, 322,878.99 and 126,540.32

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Solution

The fourth proportional to 233,970.29, 322,878.99 and 126,540.32 is: 174,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,970.29 : 322,878.99 = 126,540.32 : x
  2. Step 2: Convert to fraction form
    233,970.29/322,878.99 = 126,540.32/x
  3. Step 3: Cross multiply
    233,970.29x = 322,878.99 × 126,540.32
  4. Step 4: Simplify right side
    233,970.29x = 40,857,210,715.88
  5. Step 5: Solve for x
    x = 40,857,210,715.88/233,970.29
  6. Step 6: Final answer
    x = 174,625.64

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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.