Home / 345,561.60-476,871.36-194,658.24

Finding the Fourth Proportional to 345,561.60, 476,871.36 and 194,658.24

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Solution

The fourth proportional to 345,561.60, 476,871.36 and 194,658.24 is: 268,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,561.60 : 476,871.36 = 194,658.24 : x
  2. Step 2: Convert to fraction form
    345,561.60/476,871.36 = 194,658.24/x
  3. Step 3: Cross multiply
    345,561.60x = 476,871.36 × 194,658.24
  4. Step 4: Simplify right side
    345,561.60x = 92,826,939,644.01
  5. Step 5: Solve for x
    x = 92,826,939,644.01/345,561.60
  6. Step 6: Final answer
    x = 268,626.32

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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.