Home / 370,852.05-511,785.90-209,731.17

Finding the Fourth Proportional to 370,852.05, 511,785.90 and 209,731.17

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Solution

The fourth proportional to 370,852.05, 511,785.90 and 209,731.17 is: 289,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,852.05 : 511,785.90 = 209,731.17 : x
  2. Step 2: Convert to fraction form
    370,852.05/511,785.90 = 209,731.17/x
  3. Step 3: Cross multiply
    370,852.05x = 511,785.90 × 209,731.17
  4. Step 4: Simplify right side
    370,852.05x = 107,337,455,596.50
  5. Step 5: Solve for x
    x = 107,337,455,596.50/370,852.05
  6. Step 6: Final answer
    x = 289,434.71

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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.