Home / 397,013.18-547,816.50-235,864.10

Finding the Fourth Proportional to 397,013.18, 547,816.50 and 235,864.10

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Solution

The fourth proportional to 397,013.18, 547,816.50 and 235,864.10 is: 325,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,013.18 : 547,816.50 = 235,864.10 : x
  2. Step 2: Convert to fraction form
    397,013.18/547,816.50 = 235,864.10/x
  3. Step 3: Cross multiply
    397,013.18x = 547,816.50 × 235,864.10
  4. Step 4: Simplify right side
    397,013.18x = 129,210,245,737.65
  5. Step 5: Solve for x
    x = 129,210,245,737.65/397,013.18
  6. Step 6: Final answer
    x = 325,455.81

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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.