Home / 329,827.55-455,162.89-178,924.55

Finding the Fourth Proportional to 329,827.55, 455,162.89 and 178,924.55

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Solution

The fourth proportional to 329,827.55, 455,162.89 and 178,924.55 is: 246,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,827.55 : 455,162.89 = 178,924.55 : x
  2. Step 2: Convert to fraction form
    329,827.55/455,162.89 = 178,924.55/x
  3. Step 3: Cross multiply
    329,827.55x = 455,162.89 × 178,924.55
  4. Step 4: Simplify right side
    329,827.55x = 81,439,815,269.95
  5. Step 5: Solve for x
    x = 81,439,815,269.95/329,827.55
  6. Step 6: Final answer
    x = 246,916.35

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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.