Home / 376,088.58-564,215.91-139,431.27

Finding the Fourth Proportional to 376,088.58, 564,215.91 and 139,431.27

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Solution

The fourth proportional to 376,088.58, 564,215.91 and 139,431.27 is: 209,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,088.58 : 564,215.91 = 139,431.27 : x
  2. Step 2: Convert to fraction form
    376,088.58/564,215.91 = 139,431.27/x
  3. Step 3: Cross multiply
    376,088.58x = 564,215.91 × 139,431.27
  4. Step 4: Simplify right side
    376,088.58x = 78,669,340,885.51
  5. Step 5: Solve for x
    x = 78,669,340,885.51/376,088.58
  6. Step 6: Final answer
    x = 209,177.69

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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.