Home / 339,626.28-468,686.40-212,376.36

Finding the Fourth Proportional to 339,626.28, 468,686.40 and 212,376.36

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Solution

The fourth proportional to 339,626.28, 468,686.40 and 212,376.36 is: 293,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,626.28 : 468,686.40 = 212,376.36 : x
  2. Step 2: Convert to fraction form
    339,626.28/468,686.40 = 212,376.36/x
  3. Step 3: Cross multiply
    339,626.28x = 468,686.40 × 212,376.36
  4. Step 4: Simplify right side
    339,626.28x = 99,537,911,613.50
  5. Step 5: Solve for x
    x = 99,537,911,613.50/339,626.28
  6. Step 6: Final answer
    x = 293,080.71

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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.