Home / 383,972.13-575,712.09-159,487.47

Finding the Fourth Proportional to 383,972.13, 575,712.09 and 159,487.47

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Solution

The fourth proportional to 383,972.13, 575,712.09 and 159,487.47 is: 239,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,972.13 : 575,712.09 = 159,487.47 : x
  2. Step 2: Convert to fraction form
    383,972.13/575,712.09 = 159,487.47/x
  3. Step 3: Cross multiply
    383,972.13x = 575,712.09 × 159,487.47
  4. Step 4: Simplify right side
    383,972.13x = 91,818,864,682.51
  5. Step 5: Solve for x
    x = 91,818,864,682.51/383,972.13
  6. Step 6: Final answer
    x = 239,128.98

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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.