Home / 355,982.40-534,170.16-145,767.60

Finding the Fourth Proportional to 355,982.40, 534,170.16 and 145,767.60

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Solution

The fourth proportional to 355,982.40, 534,170.16 and 145,767.60 is: 218,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,982.40 : 534,170.16 = 145,767.60 : x
  2. Step 2: Convert to fraction form
    355,982.40/534,170.16 = 145,767.60/x
  3. Step 3: Cross multiply
    355,982.40x = 534,170.16 × 145,767.60
  4. Step 4: Simplify right side
    355,982.40x = 77,864,702,214.82
  5. Step 5: Solve for x
    x = 77,864,702,214.82/355,982.40
  6. Step 6: Final answer
    x = 218,731.89

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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.