Home / 329,824.64-455,159.16-178,922.72

Finding the Fourth Proportional to 329,824.64, 455,159.16 and 178,922.72

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Solution

The fourth proportional to 329,824.64, 455,159.16 and 178,922.72 is: 246,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.64 : 455,159.16 = 178,922.72 : x
  2. Step 2: Convert to fraction form
    329,824.64/455,159.16 = 178,922.72/x
  3. Step 3: Cross multiply
    329,824.64x = 455,159.16 × 178,922.72
  4. Step 4: Simplify right side
    329,824.64x = 81,438,314,940.12
  5. Step 5: Solve for x
    x = 81,438,314,940.12/329,824.64
  6. Step 6: Final answer
    x = 246,913.98

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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.