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Finding the Fourth Proportional to 382,017.08, 572,238.12 and 223,765.76

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Solution

The fourth proportional to 382,017.08, 572,238.12 and 223,765.76 is: 335,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,017.08 : 572,238.12 = 223,765.76 : x
  2. Step 2: Convert to fraction form
    382,017.08/572,238.12 = 223,765.76/x
  3. Step 3: Cross multiply
    382,017.08x = 572,238.12 × 223,765.76
  4. Step 4: Simplify right side
    382,017.08x = 128,047,297,822.77
  5. Step 5: Solve for x
    x = 128,047,297,822.77/382,017.08
  6. Step 6: Final answer
    x = 335,187.36

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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.