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Finding the Fourth Proportional to 389,060.52, 536,903.48 and 210,212.52

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Solution

The fourth proportional to 389,060.52, 536,903.48 and 210,212.52 is: 290,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,060.52 : 536,903.48 = 210,212.52 : x
  2. Step 2: Convert to fraction form
    389,060.52/536,903.48 = 210,212.52/x
  3. Step 3: Cross multiply
    389,060.52x = 536,903.48 × 210,212.52
  4. Step 4: Simplify right side
    389,060.52x = 112,863,833,527.57
  5. Step 5: Solve for x
    x = 112,863,833,527.57/389,060.52
  6. Step 6: Final answer
    x = 290,093.26

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1.5x scale

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.