Home / 330,402.35-455,946.38-194,444.31

Finding the Fourth Proportional to 330,402.35, 455,946.38 and 194,444.31

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Solution

The fourth proportional to 330,402.35, 455,946.38 and 194,444.31 is: 268,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,402.35 : 455,946.38 = 194,444.31 : x
  2. Step 2: Convert to fraction form
    330,402.35/455,946.38 = 194,444.31/x
  3. Step 3: Cross multiply
    330,402.35x = 455,946.38 × 194,444.31
  4. Step 4: Simplify right side
    330,402.35x = 88,656,179,256.10
  5. Step 5: Solve for x
    x = 88,656,179,256.10/330,402.35
  6. Step 6: Final answer
    x = 268,327.93

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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.