Home / 380,379.24-524,952.90-210,629.16

Finding the Fourth Proportional to 380,379.24, 524,952.90 and 210,629.16

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Solution

The fourth proportional to 380,379.24, 524,952.90 and 210,629.16 is: 290,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,379.24 : 524,952.90 = 210,629.16 : x
  2. Step 2: Convert to fraction form
    380,379.24/524,952.90 = 210,629.16/x
  3. Step 3: Cross multiply
    380,379.24x = 524,952.90 × 210,629.16
  4. Step 4: Simplify right side
    380,379.24x = 110,570,388,366.56
  5. Step 5: Solve for x
    x = 110,570,388,366.56/380,379.24
  6. Step 6: Final answer
    x = 290,684.60

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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.