Home / 255,056.10-382,123.35-218,192.10

Finding the Fourth Proportional to 255,056.10, 382,123.35 and 218,192.10

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Solution

The fourth proportional to 255,056.10, 382,123.35 and 218,192.10 is: 326,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,056.10 : 382,123.35 = 218,192.10 : x
  2. Step 2: Convert to fraction form
    255,056.10/382,123.35 = 218,192.10/x
  3. Step 3: Cross multiply
    255,056.10x = 382,123.35 × 218,192.10
  4. Step 4: Simplify right side
    255,056.10x = 83,376,296,195.54
  5. Step 5: Solve for x
    x = 83,376,296,195.54/255,056.10
  6. Step 6: Final answer
    x = 326,893.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.