Home / 286,867.91-430,315.91-109,341.83

Finding the Fourth Proportional to 286,867.91, 430,315.91 and 109,341.83

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Solution

The fourth proportional to 286,867.91, 430,315.91 and 109,341.83 is: 164,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,867.91 : 430,315.91 = 109,341.83 : x
  2. Step 2: Convert to fraction form
    286,867.91/430,315.91 = 109,341.83/x
  3. Step 3: Cross multiply
    286,867.91x = 430,315.91 × 109,341.83
  4. Step 4: Simplify right side
    286,867.91x = 47,051,526,379.23
  5. Step 5: Solve for x
    x = 47,051,526,379.23/286,867.91
  6. Step 6: Final answer
    x = 164,018.09

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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.