Home / 347,619.80-521,439.42-122,948.48

Finding the Fourth Proportional to 347,619.80, 521,439.42 and 122,948.48

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Solution

The fourth proportional to 347,619.80, 521,439.42 and 122,948.48 is: 184,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,619.80 : 521,439.42 = 122,948.48 : x
  2. Step 2: Convert to fraction form
    347,619.80/521,439.42 = 122,948.48/x
  3. Step 3: Cross multiply
    347,619.80x = 521,439.42 × 122,948.48
  4. Step 4: Simplify right side
    347,619.80x = 64,110,184,101.08
  5. Step 5: Solve for x
    x = 64,110,184,101.08/347,619.80
  6. Step 6: Final answer
    x = 184,426.16

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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.