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Finding the Fourth Proportional to 329,954.24, 455,336.87 and 179,051.24

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Solution

The fourth proportional to 329,954.24, 455,336.87 and 179,051.24 is: 247,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,954.24 : 455,336.87 = 179,051.24 : x
  2. Step 2: Convert to fraction form
    329,954.24/455,336.87 = 179,051.24/x
  3. Step 3: Cross multiply
    329,954.24x = 455,336.87 × 179,051.24
  4. Step 4: Simplify right side
    329,954.24x = 81,528,628,019.28
  5. Step 5: Solve for x
    x = 81,528,628,019.28/329,954.24
  6. Step 6: Final answer
    x = 247,090.72

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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.