Home / 301,339.36-451,457.92-141,121.28

Finding the Fourth Proportional to 301,339.36, 451,457.92 and 141,121.28

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Solution

The fourth proportional to 301,339.36, 451,457.92 and 141,121.28 is: 211,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,339.36 : 451,457.92 = 141,121.28 : x
  2. Step 2: Convert to fraction form
    301,339.36/451,457.92 = 141,121.28/x
  3. Step 3: Cross multiply
    301,339.36x = 451,457.92 × 141,121.28
  4. Step 4: Simplify right side
    301,339.36x = 63,710,319,536.54
  5. Step 5: Solve for x
    x = 63,710,319,536.54/301,339.36
  6. Step 6: Final answer
    x = 211,423.82

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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.