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Finding the Fourth Proportional to 233,293.16, 321,955.04 and 131,353.68

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Solution

The fourth proportional to 233,293.16, 321,955.04 and 131,353.68 is: 181,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,293.16 : 321,955.04 = 131,353.68 : x
  2. Step 2: Convert to fraction form
    233,293.16/321,955.04 = 131,353.68/x
  3. Step 3: Cross multiply
    233,293.16x = 321,955.04 × 131,353.68
  4. Step 4: Simplify right side
    233,293.16x = 42,289,979,298.55
  5. Step 5: Solve for x
    x = 42,289,979,298.55/233,293.16
  6. Step 6: Final answer
    x = 181,273.98

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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.