Home / 355,704.25-533,557.29-145,342.19

Finding the Fourth Proportional to 355,704.25, 533,557.29 and 145,342.19

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Solution

The fourth proportional to 355,704.25, 533,557.29 and 145,342.19 is: 218,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,704.25 : 533,557.29 = 145,342.19 : x
  2. Step 2: Convert to fraction form
    355,704.25/533,557.29 = 145,342.19/x
  3. Step 3: Cross multiply
    355,704.25x = 533,557.29 × 145,342.19
  4. Step 4: Simplify right side
    355,704.25x = 77,548,385,019.07
  5. Step 5: Solve for x
    x = 77,548,385,019.07/355,704.25
  6. Step 6: Final answer
    x = 218,013.66

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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.