Home / 330,403.35-455,947.76-194,445.31

Finding the Fourth Proportional to 330,403.35, 455,947.76 and 194,445.31

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Solution

The fourth proportional to 330,403.35, 455,947.76 and 194,445.31 is: 268,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,403.35 : 455,947.76 = 194,445.31 : x
  2. Step 2: Convert to fraction form
    330,403.35/455,947.76 = 194,445.31/x
  3. Step 3: Cross multiply
    330,403.35x = 455,947.76 × 194,445.31
  4. Step 4: Simplify right side
    330,403.35x = 88,656,903,537.01
  5. Step 5: Solve for x
    x = 88,656,903,537.01/330,403.35
  6. Step 6: Final answer
    x = 268,329.31

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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.