Home / 370,975.79-511,946.61-209,827.37

Finding the Fourth Proportional to 370,975.79, 511,946.61 and 209,827.37

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Solution

The fourth proportional to 370,975.79, 511,946.61 and 209,827.37 is: 289,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,975.79 : 511,946.61 = 209,827.37 : x
  2. Step 2: Convert to fraction form
    370,975.79/511,946.61 = 209,827.37/x
  3. Step 3: Cross multiply
    370,975.79x = 511,946.61 × 209,827.37
  4. Step 4: Simplify right side
    370,975.79x = 107,420,408,196.98
  5. Step 5: Solve for x
    x = 107,420,408,196.98/370,975.79
  6. Step 6: Final answer
    x = 289,561.78

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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.