Home / 375,935.45-518,677.54-230,591.86

Finding the Fourth Proportional to 375,935.45, 518,677.54 and 230,591.86

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Solution

The fourth proportional to 375,935.45, 518,677.54 and 230,591.86 is: 318,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,935.45 : 518,677.54 = 230,591.86 : x
  2. Step 2: Convert to fraction form
    375,935.45/518,677.54 = 230,591.86/x
  3. Step 3: Cross multiply
    375,935.45x = 518,677.54 × 230,591.86
  4. Step 4: Simplify right side
    375,935.45x = 119,602,816,815.65
  5. Step 5: Solve for x
    x = 119,602,816,815.65/375,935.45
  6. Step 6: Final answer
    x = 318,147.22

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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.