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Finding the Fourth Proportional to 260,401.10, 389,964.65 and 235,157.65

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Solution

The fourth proportional to 260,401.10, 389,964.65 and 235,157.65 is: 352,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,401.10 : 389,964.65 = 235,157.65 : x
  2. Step 2: Convert to fraction form
    260,401.10/389,964.65 = 235,157.65/x
  3. Step 3: Cross multiply
    260,401.10x = 389,964.65 × 235,157.65
  4. Step 4: Simplify right side
    260,401.10x = 91,703,168,526.37
  5. Step 5: Solve for x
    x = 91,703,168,526.37/260,401.10
  6. Step 6: Final answer
    x = 352,161.22

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1.5x scale

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.