Home / 370,742.93-511,605.36-209,588.37

Finding the Fourth Proportional to 370,742.93, 511,605.36 and 209,588.37

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Solution

The fourth proportional to 370,742.93, 511,605.36 and 209,588.37 is: 289,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,742.93 : 511,605.36 = 209,588.37 : x
  2. Step 2: Convert to fraction form
    370,742.93/511,605.36 = 209,588.37/x
  3. Step 3: Cross multiply
    370,742.93x = 511,605.36 × 209,588.37
  4. Step 4: Simplify right side
    370,742.93x = 107,226,530,927.64
  5. Step 5: Solve for x
    x = 107,226,530,927.64/370,742.93
  6. Step 6: Final answer
    x = 289,220.71

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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.