Home / 355,839.40-533,111.10-168,437.80

Finding the Fourth Proportional to 355,839.40, 533,111.10 and 168,437.80

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Solution

The fourth proportional to 355,839.40, 533,111.10 and 168,437.80 is: 252,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,839.40 : 533,111.10 = 168,437.80 : x
  2. Step 2: Convert to fraction form
    355,839.40/533,111.10 = 168,437.80/x
  3. Step 3: Cross multiply
    355,839.40x = 533,111.10 × 168,437.80
  4. Step 4: Simplify right side
    355,839.40x = 89,796,060,839.58
  5. Step 5: Solve for x
    x = 89,796,060,839.58/355,839.40
  6. Step 6: Final answer
    x = 252,349.97

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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.