Home / 670,195.64-1,005,292.82-171,558.84

Finding the Fourth Proportional to 670,195.64, 1,005,292.82 and 171,558.84

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Solution

The fourth proportional to 670,195.64, 1,005,292.82 and 171,558.84 is: 257,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,195.64 : 1,005,292.82 = 171,558.84 : x
  2. Step 2: Convert to fraction form
    670,195.64/1,005,292.82 = 171,558.84/x
  3. Step 3: Cross multiply
    670,195.64x = 1,005,292.82 × 171,558.84
  4. Step 4: Simplify right side
    670,195.64x = 172,466,870,059.53
  5. Step 5: Solve for x
    x = 172,466,870,059.53/670,195.64
  6. Step 6: Final answer
    x = 257,338.10

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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.