Home / 487,025.03-672,092.58-272,165.05

Finding the Fourth Proportional to 487,025.03, 672,092.58 and 272,165.05

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Solution

The fourth proportional to 487,025.03, 672,092.58 and 272,165.05 is: 375,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,025.03 : 672,092.58 = 272,165.05 : x
  2. Step 2: Convert to fraction form
    487,025.03/672,092.58 = 272,165.05/x
  3. Step 3: Cross multiply
    487,025.03x = 672,092.58 × 272,165.05
  4. Step 4: Simplify right side
    487,025.03x = 182,920,107,279.87
  5. Step 5: Solve for x
    x = 182,920,107,279.87/487,025.03
  6. Step 6: Final answer
    x = 375,586.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.