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Finding the Fourth Proportional to 460,331.33, 690,054.11 and 235,797.51

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Solution

The fourth proportional to 460,331.33, 690,054.11 and 235,797.51 is: 353,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,331.33 : 690,054.11 = 235,797.51 : x
  2. Step 2: Convert to fraction form
    460,331.33/690,054.11 = 235,797.51/x
  3. Step 3: Cross multiply
    460,331.33x = 690,054.11 × 235,797.51
  4. Step 4: Simplify right side
    460,331.33x = 162,713,038,037.07
  5. Step 5: Solve for x
    x = 162,713,038,037.07/460,331.33
  6. Step 6: Final answer
    x = 353,469.40

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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.