Home / 378,020.16-566,926.56-141,284.16

Finding the Fourth Proportional to 378,020.16, 566,926.56 and 141,284.16

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Solution

The fourth proportional to 378,020.16, 566,926.56 and 141,284.16 is: 211,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,020.16 : 566,926.56 = 141,284.16 : x
  2. Step 2: Convert to fraction form
    378,020.16/566,926.56 = 141,284.16/x
  3. Step 3: Cross multiply
    378,020.16x = 566,926.56 × 141,284.16
  4. Step 4: Simplify right side
    378,020.16x = 80,097,742,811.29
  5. Step 5: Solve for x
    x = 80,097,742,811.29/378,020.16
  6. Step 6: Final answer
    x = 211,887.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.