Home / 301,828.68-452,741.40-77,188.75

Finding the Fourth Proportional to 301,828.68, 452,741.40 and 77,188.75

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Solution

The fourth proportional to 301,828.68, 452,741.40 and 77,188.75 is: 115,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,828.68 : 452,741.40 = 77,188.75 : x
  2. Step 2: Convert to fraction form
    301,828.68/452,741.40 = 77,188.75/x
  3. Step 3: Cross multiply
    301,828.68x = 452,741.40 × 77,188.75
  4. Step 4: Simplify right side
    301,828.68x = 34,946,541,607.40
  5. Step 5: Solve for x
    x = 34,946,541,607.40/301,828.68
  6. Step 6: Final answer
    x = 115,782.71

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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.