Home / 355,429.37-533,144.04-142,293.23

Finding the Fourth Proportional to 355,429.37, 533,144.04 and 142,293.23

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Solution

The fourth proportional to 355,429.37, 533,144.04 and 142,293.23 is: 213,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,429.37 : 533,144.04 = 142,293.23 : x
  2. Step 2: Convert to fraction form
    355,429.37/533,144.04 = 142,293.23/x
  3. Step 3: Cross multiply
    355,429.37x = 533,144.04 × 142,293.23
  4. Step 4: Simplify right side
    355,429.37x = 75,862,784,841.13
  5. Step 5: Solve for x
    x = 75,862,784,841.13/355,429.37
  6. Step 6: Final answer
    x = 213,439.83

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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.