Home / 330,271.32-455,777.10-179,369.40

Finding the Fourth Proportional to 330,271.32, 455,777.10 and 179,369.40

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Solution

The fourth proportional to 330,271.32, 455,777.10 and 179,369.40 is: 247,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,271.32 : 455,777.10 = 179,369.40 : x
  2. Step 2: Convert to fraction form
    330,271.32/455,777.10 = 179,369.40/x
  3. Step 3: Cross multiply
    330,271.32x = 455,777.10 × 179,369.40
  4. Step 4: Simplify right side
    330,271.32x = 81,752,464,960.74
  5. Step 5: Solve for x
    x = 81,752,464,960.74/330,271.32
  6. Step 6: Final answer
    x = 247,531.23

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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.