Home / 388,851.40-536,614.82-210,003.40

Finding the Fourth Proportional to 388,851.40, 536,614.82 and 210,003.40

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Solution

The fourth proportional to 388,851.40, 536,614.82 and 210,003.40 is: 289,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,851.40 : 536,614.82 = 210,003.40 : x
  2. Step 2: Convert to fraction form
    388,851.40/536,614.82 = 210,003.40/x
  3. Step 3: Cross multiply
    388,851.40x = 536,614.82 × 210,003.40
  4. Step 4: Simplify right side
    388,851.40x = 112,690,936,690.39
  5. Step 5: Solve for x
    x = 112,690,936,690.39/388,851.40
  6. Step 6: Final answer
    x = 289,804.63

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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.