Home / 349,783.38-524,723.94-172,291.86

Finding the Fourth Proportional to 349,783.38, 524,723.94 and 172,291.86

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Solution

The fourth proportional to 349,783.38, 524,723.94 and 172,291.86 is: 258,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,783.38 : 524,723.94 = 172,291.86 : x
  2. Step 2: Convert to fraction form
    349,783.38/524,723.94 = 172,291.86/x
  3. Step 3: Cross multiply
    349,783.38x = 524,723.94 × 172,291.86
  4. Step 4: Simplify right side
    349,783.38x = 90,405,663,609.13
  5. Step 5: Solve for x
    x = 90,405,663,609.13/349,783.38
  6. Step 6: Final answer
    x = 258,461.86

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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.