Home / 456,136.30-629,466.51-254,932.30

Finding the Fourth Proportional to 456,136.30, 629,466.51 and 254,932.30

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Solution

The fourth proportional to 456,136.30, 629,466.51 and 254,932.30 is: 351,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,136.30 : 629,466.51 = 254,932.30 : x
  2. Step 2: Convert to fraction form
    456,136.30/629,466.51 = 254,932.30/x
  3. Step 3: Cross multiply
    456,136.30x = 629,466.51 × 254,932.30
  4. Step 4: Simplify right side
    456,136.30x = 160,471,345,167.27
  5. Step 5: Solve for x
    x = 160,471,345,167.27/456,136.30
  6. Step 6: Final answer
    x = 351,805.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.