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Finding the Fourth Proportional to 389,033.34, 536,870.22 and 219,267.48

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Solution

The fourth proportional to 389,033.34, 536,870.22 and 219,267.48 is: 302,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,033.34 : 536,870.22 = 219,267.48 : x
  2. Step 2: Convert to fraction form
    389,033.34/536,870.22 = 219,267.48/x
  3. Step 3: Cross multiply
    389,033.34x = 536,870.22 × 219,267.48
  4. Step 4: Simplify right side
    389,033.34x = 117,718,180,226.45
  5. Step 5: Solve for x
    x = 117,718,180,226.45/389,033.34
  6. Step 6: Final answer
    x = 302,591.50

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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.