Home / 382,319.44-527,622.71-212,564.50

Finding the Fourth Proportional to 382,319.44, 527,622.71 and 212,564.50

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Solution

The fourth proportional to 382,319.44, 527,622.71 and 212,564.50 is: 293,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,319.44 : 527,622.71 = 212,564.50 : x
  2. Step 2: Convert to fraction form
    382,319.44/527,622.71 = 212,564.50/x
  3. Step 3: Cross multiply
    382,319.44x = 527,622.71 × 212,564.50
  4. Step 4: Simplify right side
    382,319.44x = 112,153,855,157.92
  5. Step 5: Solve for x
    x = 112,153,855,157.92/382,319.44
  6. Step 6: Final answer
    x = 293,351.17

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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.