Home / 384,720.24-530,941.40-212,634.52

Finding the Fourth Proportional to 384,720.24, 530,941.40 and 212,634.52

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Solution

The fourth proportional to 384,720.24, 530,941.40 and 212,634.52 is: 293,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,720.24 : 530,941.40 = 212,634.52 : x
  2. Step 2: Convert to fraction form
    384,720.24/530,941.40 = 212,634.52/x
  3. Step 3: Cross multiply
    384,720.24x = 530,941.40 × 212,634.52
  4. Step 4: Simplify right side
    384,720.24x = 112,896,469,737.13
  5. Step 5: Solve for x
    x = 112,896,469,737.13/384,720.24
  6. Step 6: Final answer
    x = 293,450.82

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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.