Home / 388,944.57-536,743.52-210,096.57

Finding the Fourth Proportional to 388,944.57, 536,743.52 and 210,096.57

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Solution

The fourth proportional to 388,944.57, 536,743.52 and 210,096.57 is: 289,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,944.57 : 536,743.52 = 210,096.57 : x
  2. Step 2: Convert to fraction form
    388,944.57/536,743.52 = 210,096.57/x
  3. Step 3: Cross multiply
    388,944.57x = 536,743.52 × 210,096.57
  4. Step 4: Simplify right side
    388,944.57x = 112,767,971,471.24
  5. Step 5: Solve for x
    x = 112,767,971,471.24/388,944.57
  6. Step 6: Final answer
    x = 289,933.27

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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.