Home / 389,152.90-536,949.12-236,271.43

Finding the Fourth Proportional to 389,152.90, 536,949.12 and 236,271.43

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Solution

The fourth proportional to 389,152.90, 536,949.12 and 236,271.43 is: 326,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,152.90 : 536,949.12 = 236,271.43 : x
  2. Step 2: Convert to fraction form
    389,152.90/536,949.12 = 236,271.43/x
  3. Step 3: Cross multiply
    389,152.90x = 536,949.12 × 236,271.43
  4. Step 4: Simplify right side
    389,152.90x = 126,865,736,419.64
  5. Step 5: Solve for x
    x = 126,865,736,419.64/389,152.90
  6. Step 6: Final answer
    x = 326,004.86

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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.