Home / 456,733.67-684,913.10-136,772.78

Finding the Fourth Proportional to 456,733.67, 684,913.10 and 136,772.78

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Solution

The fourth proportional to 456,733.67, 684,913.10 and 136,772.78 is: 205,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,733.67 : 684,913.10 = 136,772.78 : x
  2. Step 2: Convert to fraction form
    456,733.67/684,913.10 = 136,772.78/x
  3. Step 3: Cross multiply
    456,733.67x = 684,913.10 × 136,772.78
  4. Step 4: Simplify right side
    456,733.67x = 93,677,464,636.99
  5. Step 5: Solve for x
    x = 93,677,464,636.99/456,733.67
  6. Step 6: Final answer
    x = 205,103.04

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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.