Home / 349,415.10-524,245.64-172,046.70

Finding the Fourth Proportional to 349,415.10, 524,245.64 and 172,046.70

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Solution

The fourth proportional to 349,415.10, 524,245.64 and 172,046.70 is: 258,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,415.10 : 524,245.64 = 172,046.70 : x
  2. Step 2: Convert to fraction form
    349,415.10/524,245.64 = 172,046.70/x
  3. Step 3: Cross multiply
    349,415.10x = 524,245.64 × 172,046.70
  4. Step 4: Simplify right side
    349,415.10x = 90,194,731,491.15
  5. Step 5: Solve for x
    x = 90,194,731,491.15/349,415.10
  6. Step 6: Final answer
    x = 258,130.61

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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.