Home / 369,181.08-509,470.20-199,415.34

Finding the Fourth Proportional to 369,181.08, 509,470.20 and 199,415.34

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Solution

The fourth proportional to 369,181.08, 509,470.20 and 199,415.34 is: 275,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,181.08 : 509,470.20 = 199,415.34 : x
  2. Step 2: Convert to fraction form
    369,181.08/509,470.20 = 199,415.34/x
  3. Step 3: Cross multiply
    369,181.08x = 509,470.20 × 199,415.34
  4. Step 4: Simplify right side
    369,181.08x = 101,596,173,152.87
  5. Step 5: Solve for x
    x = 101,596,173,152.87/369,181.08
  6. Step 6: Final answer
    x = 275,193.34

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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.