Home / 372,235.80-513,776.66-211,185.12

Finding the Fourth Proportional to 372,235.80, 513,776.66 and 211,185.12

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Solution

The fourth proportional to 372,235.80, 513,776.66 and 211,185.12 is: 291,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,235.80 : 513,776.66 = 211,185.12 : x
  2. Step 2: Convert to fraction form
    372,235.80/513,776.66 = 211,185.12/x
  3. Step 3: Cross multiply
    372,235.80x = 513,776.66 × 211,185.12
  4. Step 4: Simplify right side
    372,235.80x = 108,501,984,539.37
  5. Step 5: Solve for x
    x = 108,501,984,539.37/372,235.80
  6. Step 6: Final answer
    x = 291,487.24

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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.