Home / 355,429.10-532,366.05-214,942.70

Finding the Fourth Proportional to 355,429.10, 532,366.05 and 214,942.70

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Solution

The fourth proportional to 355,429.10, 532,366.05 and 214,942.70 is: 321,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,429.10 : 532,366.05 = 214,942.70 : x
  2. Step 2: Convert to fraction form
    355,429.10/532,366.05 = 214,942.70/x
  3. Step 3: Cross multiply
    355,429.10x = 532,366.05 × 214,942.70
  4. Step 4: Simplify right side
    355,429.10x = 114,428,196,175.34
  5. Step 5: Solve for x
    x = 114,428,196,175.34/355,429.10
  6. Step 6: Final answer
    x = 321,943.80

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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.