Home / 369,194.63-509,488.85-199,428.75

Finding the Fourth Proportional to 369,194.63, 509,488.85 and 199,428.75

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Solution

The fourth proportional to 369,194.63, 509,488.85 and 199,428.75 is: 275,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,194.63 : 509,488.85 = 199,428.75 : x
  2. Step 2: Convert to fraction form
    369,194.63/509,488.85 = 199,428.75/x
  3. Step 3: Cross multiply
    369,194.63x = 509,488.85 × 199,428.75
  4. Step 4: Simplify right side
    369,194.63x = 101,606,724,993.01
  5. Step 5: Solve for x
    x = 101,606,724,993.01/369,194.63
  6. Step 6: Final answer
    x = 275,211.82

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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.