Home / 236,206.24-353,977.80-129,315.40

Finding the Fourth Proportional to 236,206.24, 353,977.80 and 129,315.40

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Solution

The fourth proportional to 236,206.24, 353,977.80 and 129,315.40 is: 193,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,206.24 : 353,977.80 = 129,315.40 : x
  2. Step 2: Convert to fraction form
    236,206.24/353,977.80 = 129,315.40/x
  3. Step 3: Cross multiply
    236,206.24x = 353,977.80 × 129,315.40
  4. Step 4: Simplify right side
    236,206.24x = 45,774,780,798.12
  5. Step 5: Solve for x
    x = 45,774,780,798.12/236,206.24
  6. Step 6: Final answer
    x = 193,791.58

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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.