Home / 301,288.28-451,381.62-141,070.28

Finding the Fourth Proportional to 301,288.28, 451,381.62 and 141,070.28

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Solution

The fourth proportional to 301,288.28, 451,381.62 and 141,070.28 is: 211,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,288.28 : 451,381.62 = 141,070.28 : x
  2. Step 2: Convert to fraction form
    301,288.28/451,381.62 = 141,070.28/x
  3. Step 3: Cross multiply
    301,288.28x = 451,381.62 × 141,070.28
  4. Step 4: Simplify right side
    301,288.28x = 63,676,531,520.25
  5. Step 5: Solve for x
    x = 63,676,531,520.25/301,288.28
  6. Step 6: Final answer
    x = 211,347.52

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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.