Home / 370,826.20-511,737.18-209,681.24

Finding the Fourth Proportional to 370,826.20, 511,737.18 and 209,681.24

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Solution

The fourth proportional to 370,826.20, 511,737.18 and 209,681.24 is: 289,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,826.20 : 511,737.18 = 209,681.24 : x
  2. Step 2: Convert to fraction form
    370,826.20/511,737.18 = 209,681.24/x
  3. Step 3: Cross multiply
    370,826.20x = 511,737.18 × 209,681.24
  4. Step 4: Simplify right side
    370,826.20x = 107,301,686,456.50
  5. Step 5: Solve for x
    x = 107,301,686,456.50/370,826.20
  6. Step 6: Final answer
    x = 289,358.43

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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.