Home / 380,199.08-524,668.38-210,429.56

Finding the Fourth Proportional to 380,199.08, 524,668.38 and 210,429.56

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Solution

The fourth proportional to 380,199.08, 524,668.38 and 210,429.56 is: 290,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,199.08 : 524,668.38 = 210,429.56 : x
  2. Step 2: Convert to fraction form
    380,199.08/524,668.38 = 210,429.56/x
  3. Step 3: Cross multiply
    380,199.08x = 524,668.38 × 210,429.56
  4. Step 4: Simplify right side
    380,199.08x = 110,405,736,349.31
  5. Step 5: Solve for x
    x = 110,405,736,349.31/380,199.08
  6. Step 6: Final answer
    x = 290,389.28

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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.