Home / 382,128.42-573,198.12-145,484.10

Finding the Fourth Proportional to 382,128.42, 573,198.12 and 145,484.10

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Solution

The fourth proportional to 382,128.42, 573,198.12 and 145,484.10 is: 218,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,128.42 : 573,198.12 = 145,484.10 : x
  2. Step 2: Convert to fraction form
    382,128.42/573,198.12 = 145,484.10/x
  3. Step 3: Cross multiply
    382,128.42x = 573,198.12 × 145,484.10
  4. Step 4: Simplify right side
    382,128.42x = 83,391,212,609.89
  5. Step 5: Solve for x
    x = 83,391,212,609.89/382,128.42
  6. Step 6: Final answer
    x = 218,228.24

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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.