Home / 419,096.22-578,365.30-258,044.18

Finding the Fourth Proportional to 419,096.22, 578,365.30 and 258,044.18

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Solution

The fourth proportional to 419,096.22, 578,365.30 and 258,044.18 is: 356,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,096.22 : 578,365.30 = 258,044.18 : x
  2. Step 2: Convert to fraction form
    419,096.22/578,365.30 = 258,044.18/x
  3. Step 3: Cross multiply
    419,096.22x = 578,365.30 × 258,044.18
  4. Step 4: Simplify right side
    419,096.22x = 149,243,799,578.95
  5. Step 5: Solve for x
    x = 149,243,799,578.95/419,096.22
  6. Step 6: Final answer
    x = 356,108.67

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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.