Home / 355,918.18-533,924.24-131,436.40

Finding the Fourth Proportional to 355,918.18, 533,924.24 and 131,436.40

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Solution

The fourth proportional to 355,918.18, 533,924.24 and 131,436.40 is: 197,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,918.18 : 533,924.24 = 131,436.40 : x
  2. Step 2: Convert to fraction form
    355,918.18/533,924.24 = 131,436.40/x
  3. Step 3: Cross multiply
    355,918.18x = 533,924.24 × 131,436.40
  4. Step 4: Simplify right side
    355,918.18x = 70,177,079,978.34
  5. Step 5: Solve for x
    x = 70,177,079,978.34/355,918.18
  6. Step 6: Final answer
    x = 197,171.95

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1.5x scale

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.