Home / 345,271.98-476,488.20-190,229.58

Finding the Fourth Proportional to 345,271.98, 476,488.20 and 190,229.58

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Solution

The fourth proportional to 345,271.98, 476,488.20 and 190,229.58 is: 262,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,271.98 : 476,488.20 = 190,229.58 : x
  2. Step 2: Convert to fraction form
    345,271.98/476,488.20 = 190,229.58/x
  3. Step 3: Cross multiply
    345,271.98x = 476,488.20 × 190,229.58
  4. Step 4: Simplify right side
    345,271.98x = 90,642,150,160.96
  5. Step 5: Solve for x
    x = 90,642,150,160.96/345,271.98
  6. Step 6: Final answer
    x = 262,523.91

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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.