Home / 389,032.34-536,868.84-219,266.48

Finding the Fourth Proportional to 389,032.34, 536,868.84 and 219,266.48

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Solution

The fourth proportional to 389,032.34, 536,868.84 and 219,266.48 is: 302,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,032.34 : 536,868.84 = 219,266.48 : x
  2. Step 2: Convert to fraction form
    389,032.34/536,868.84 = 219,266.48/x
  3. Step 3: Cross multiply
    389,032.34x = 536,868.84 × 219,266.48
  4. Step 4: Simplify right side
    389,032.34x = 117,717,340,768.48
  5. Step 5: Solve for x
    x = 117,717,340,768.48/389,032.34
  6. Step 6: Final answer
    x = 302,590.12

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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.