Home / 286,722.53-429,917.75-97,119.35

Finding the Fourth Proportional to 286,722.53, 429,917.75 and 97,119.35

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Solution

The fourth proportional to 286,722.53, 429,917.75 and 97,119.35 is: 145,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,722.53 : 429,917.75 = 97,119.35 : x
  2. Step 2: Convert to fraction form
    286,722.53/429,917.75 = 97,119.35/x
  3. Step 3: Cross multiply
    286,722.53x = 429,917.75 × 97,119.35
  4. Step 4: Simplify right side
    286,722.53x = 41,753,331,947.87
  5. Step 5: Solve for x
    x = 41,753,331,947.87/286,722.53
  6. Step 6: Final answer
    x = 145,622.78

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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.