Home / 360,914.82-497,947.95-209,982.66

Finding the Fourth Proportional to 360,914.82, 497,947.95 and 209,982.66

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Solution

The fourth proportional to 360,914.82, 497,947.95 and 209,982.66 is: 289,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,914.82 : 497,947.95 = 209,982.66 : x
  2. Step 2: Convert to fraction form
    360,914.82/497,947.95 = 209,982.66/x
  3. Step 3: Cross multiply
    360,914.82x = 497,947.95 × 209,982.66
  4. Step 4: Simplify right side
    360,914.82x = 104,560,435,082.55
  5. Step 5: Solve for x
    x = 104,560,435,082.55/360,914.82
  6. Step 6: Final answer
    x = 289,709.45

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1.5x scale

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.