Home / 370,725.91-511,623.83-209,595.98

Finding the Fourth Proportional to 370,725.91, 511,623.83 and 209,595.98

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Solution

The fourth proportional to 370,725.91, 511,623.83 and 209,595.98 is: 289,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,725.91 : 511,623.83 = 209,595.98 : x
  2. Step 2: Convert to fraction form
    370,725.91/511,623.83 = 209,595.98/x
  3. Step 3: Cross multiply
    370,725.91x = 511,623.83 × 209,595.98
  4. Step 4: Simplify right side
    370,725.91x = 107,234,298,040.20
  5. Step 5: Solve for x
    x = 107,234,298,040.20/370,725.91
  6. Step 6: Final answer
    x = 289,254.93

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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.