Home / 388,804.07-536,552.04-216,732.96

Finding the Fourth Proportional to 388,804.07, 536,552.04 and 216,732.96

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Solution

The fourth proportional to 388,804.07, 536,552.04 and 216,732.96 is: 299,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,804.07 : 536,552.04 = 216,732.96 : x
  2. Step 2: Convert to fraction form
    388,804.07/536,552.04 = 216,732.96/x
  3. Step 3: Cross multiply
    388,804.07x = 536,552.04 × 216,732.96
  4. Step 4: Simplify right side
    388,804.07x = 116,288,511,823.24
  5. Step 5: Solve for x
    x = 116,288,511,823.24/388,804.07
  6. Step 6: Final answer
    x = 299,092.84

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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.