Home / 380,437.68-524,997.45-210,668.16

Finding the Fourth Proportional to 380,437.68, 524,997.45 and 210,668.16

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Solution

The fourth proportional to 380,437.68, 524,997.45 and 210,668.16 is: 290,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,437.68 : 524,997.45 = 210,668.16 : x
  2. Step 2: Convert to fraction form
    380,437.68/524,997.45 = 210,668.16/x
  3. Step 3: Cross multiply
    380,437.68x = 524,997.45 × 210,668.16
  4. Step 4: Simplify right side
    380,437.68x = 110,600,246,796.19
  5. Step 5: Solve for x
    x = 110,600,246,796.19/380,437.68
  6. Step 6: Final answer
    x = 290,718.43

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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.