Home / 347,681.14-479,783.38-213,519.22

Finding the Fourth Proportional to 347,681.14, 479,783.38 and 213,519.22

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Solution

The fourth proportional to 347,681.14, 479,783.38 and 213,519.22 is: 294,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,681.14 : 479,783.38 = 213,519.22 : x
  2. Step 2: Convert to fraction form
    347,681.14/479,783.38 = 213,519.22/x
  3. Step 3: Cross multiply
    347,681.14x = 479,783.38 × 213,519.22
  4. Step 4: Simplify right side
    347,681.14x = 102,442,973,066.56
  5. Step 5: Solve for x
    x = 102,442,973,066.56/347,681.14
  6. Step 6: Final answer
    x = 294,646.33

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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.