Home / 389,103.03-536,957.37-219,337.16

Finding the Fourth Proportional to 389,103.03, 536,957.37 and 219,337.16

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Solution

The fourth proportional to 389,103.03, 536,957.37 and 219,337.16 is: 302,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,103.03 : 536,957.37 = 219,337.16 : x
  2. Step 2: Convert to fraction form
    389,103.03/536,957.37 = 219,337.16/x
  3. Step 3: Cross multiply
    389,103.03x = 536,957.37 × 219,337.16
  4. Step 4: Simplify right side
    389,103.03x = 117,774,701,892.08
  5. Step 5: Solve for x
    x = 117,774,701,892.08/389,103.03
  6. Step 6: Final answer
    x = 302,682.56

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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.