Home / 384,720.08-530,941.18-212,634.36

Finding the Fourth Proportional to 384,720.08, 530,941.18 and 212,634.36

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Solution

The fourth proportional to 384,720.08, 530,941.18 and 212,634.36 is: 293,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,720.08 : 530,941.18 = 212,634.36 : x
  2. Step 2: Convert to fraction form
    384,720.08/530,941.18 = 212,634.36/x
  3. Step 3: Cross multiply
    384,720.08x = 530,941.18 × 212,634.36
  4. Step 4: Simplify right side
    384,720.08x = 112,896,338,006.95
  5. Step 5: Solve for x
    x = 112,896,338,006.95/384,720.08
  6. Step 6: Final answer
    x = 293,450.60

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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.