Home / 372,455.30-513,999.98-211,317.14

Finding the Fourth Proportional to 372,455.30, 513,999.98 and 211,317.14

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Solution

The fourth proportional to 372,455.30, 513,999.98 and 211,317.14 is: 291,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,455.30 : 513,999.98 = 211,317.14 : x
  2. Step 2: Convert to fraction form
    372,455.30/513,999.98 = 211,317.14/x
  3. Step 3: Cross multiply
    372,455.30x = 513,999.98 × 211,317.14
  4. Step 4: Simplify right side
    372,455.30x = 108,617,002,107.07
  5. Step 5: Solve for x
    x = 108,617,002,107.07/372,455.30
  6. Step 6: Final answer
    x = 291,624.27

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1.5x scale

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.