Home / 286,688.23-430,029.91-73,455.73

Finding the Fourth Proportional to 286,688.23, 430,029.91 and 73,455.73

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Solution

The fourth proportional to 286,688.23, 430,029.91 and 73,455.73 is: 110,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,688.23 : 430,029.91 = 73,455.73 : x
  2. Step 2: Convert to fraction form
    286,688.23/430,029.91 = 73,455.73/x
  3. Step 3: Cross multiply
    286,688.23x = 430,029.91 × 73,455.73
  4. Step 4: Simplify right side
    286,688.23x = 31,588,160,960.88
  5. Step 5: Solve for x
    x = 31,588,160,960.88/286,688.23
  6. Step 6: Final answer
    x = 110,182.97

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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.