Home / 389,052.04-536,895.90-219,286.17

Finding the Fourth Proportional to 389,052.04, 536,895.90 and 219,286.17

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Solution

The fourth proportional to 389,052.04, 536,895.90 and 219,286.17 is: 302,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,052.04 : 536,895.90 = 219,286.17 : x
  2. Step 2: Convert to fraction form
    389,052.04/536,895.90 = 219,286.17/x
  3. Step 3: Cross multiply
    389,052.04x = 536,895.90 × 219,286.17
  4. Step 4: Simplify right side
    389,052.04x = 117,733,842,915.22
  5. Step 5: Solve for x
    x = 117,733,842,915.22/389,052.04
  6. Step 6: Final answer
    x = 302,617.21

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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.