Home / 383,528.36-529,269.72-213,758.84

Finding the Fourth Proportional to 383,528.36, 529,269.72 and 213,758.84

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Solution

The fourth proportional to 383,528.36, 529,269.72 and 213,758.84 is: 294,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,528.36 : 529,269.72 = 213,758.84 : x
  2. Step 2: Convert to fraction form
    383,528.36/529,269.72 = 213,758.84/x
  3. Step 3: Cross multiply
    383,528.36x = 529,269.72 × 213,758.84
  4. Step 4: Simplify right side
    383,528.36x = 113,136,081,394.33
  5. Step 5: Solve for x
    x = 113,136,081,394.33/383,528.36
  6. Step 6: Final answer
    x = 294,987.52

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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.