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Finding the Fourth Proportional to 233,216.55, 349,656.48 and 90,941.27

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Solution

The fourth proportional to 233,216.55, 349,656.48 and 90,941.27 is: 136,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,216.55 : 349,656.48 = 90,941.27 : x
  2. Step 2: Convert to fraction form
    233,216.55/349,656.48 = 90,941.27/x
  3. Step 3: Cross multiply
    233,216.55x = 349,656.48 × 90,941.27
  4. Step 4: Simplify right side
    233,216.55x = 31,798,202,606.65
  5. Step 5: Solve for x
    x = 31,798,202,606.65/233,216.55
  6. Step 6: Final answer
    x = 136,346.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.