Home / 355,835.65-533,780.84-103,119.60

Finding the Fourth Proportional to 355,835.65, 533,780.84 and 103,119.60

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Solution

The fourth proportional to 355,835.65, 533,780.84 and 103,119.60 is: 154,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,835.65 : 533,780.84 = 103,119.60 : x
  2. Step 2: Convert to fraction form
    355,835.65/533,780.84 = 103,119.60/x
  3. Step 3: Cross multiply
    355,835.65x = 533,780.84 × 103,119.60
  4. Step 4: Simplify right side
    355,835.65x = 55,043,266,708.46
  5. Step 5: Solve for x
    x = 55,043,266,708.46/355,835.65
  6. Step 6: Final answer
    x = 154,687.33

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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.