Home / 330,005.07-455,406.91-179,102.07

Finding the Fourth Proportional to 330,005.07, 455,406.91 and 179,102.07

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Solution

The fourth proportional to 330,005.07, 455,406.91 and 179,102.07 is: 247,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,005.07 : 455,406.91 = 179,102.07 : x
  2. Step 2: Convert to fraction form
    330,005.07/455,406.91 = 179,102.07/x
  3. Step 3: Cross multiply
    330,005.07x = 455,406.91 × 179,102.07
  4. Step 4: Simplify right side
    330,005.07x = 81,564,319,825.55
  5. Step 5: Solve for x
    x = 81,564,319,825.55/330,005.07
  6. Step 6: Final answer
    x = 247,160.81

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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.