Home / 218,460.26-301,319.89-145,826.55

Finding the Fourth Proportional to 218,460.26, 301,319.89 and 145,826.55

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Solution

The fourth proportional to 218,460.26, 301,319.89 and 145,826.55 is: 201,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,460.26 : 301,319.89 = 145,826.55 : x
  2. Step 2: Convert to fraction form
    218,460.26/301,319.89 = 145,826.55/x
  3. Step 3: Cross multiply
    218,460.26x = 301,319.89 × 145,826.55
  4. Step 4: Simplify right side
    218,460.26x = 43,940,439,640.51
  5. Step 5: Solve for x
    x = 43,940,439,640.51/218,460.26
  6. Step 6: Final answer
    x = 201,136.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.