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Finding the Fourth Proportional to 382,037.58, 527,181.01 and 220,903.07

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Solution

The fourth proportional to 382,037.58, 527,181.01 and 220,903.07 is: 304,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,037.58 : 527,181.01 = 220,903.07 : x
  2. Step 2: Convert to fraction form
    382,037.58/527,181.01 = 220,903.07/x
  3. Step 3: Cross multiply
    382,037.58x = 527,181.01 × 220,903.07
  4. Step 4: Simplify right side
    382,037.58x = 116,455,900,366.54
  5. Step 5: Solve for x
    x = 116,455,900,366.54/382,037.58
  6. Step 6: Final answer
    x = 304,828.39

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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.