Home / 330,019.28-455,426.92-179,116.40

Finding the Fourth Proportional to 330,019.28, 455,426.92 and 179,116.40

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Solution

The fourth proportional to 330,019.28, 455,426.92 and 179,116.40 is: 247,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,019.28 : 455,426.92 = 179,116.40 : x
  2. Step 2: Convert to fraction form
    330,019.28/455,426.92 = 179,116.40/x
  3. Step 3: Cross multiply
    330,019.28x = 455,426.92 × 179,116.40
  4. Step 4: Simplify right side
    330,019.28x = 81,574,430,373.49
  5. Step 5: Solve for x
    x = 81,574,430,373.49/330,019.28
  6. Step 6: Final answer
    x = 247,180.80

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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.