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Finding the Fourth Proportional to 254,519.98, 351,240.44 and 139,801.30

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Solution

The fourth proportional to 254,519.98, 351,240.44 and 139,801.30 is: 192,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,519.98 : 351,240.44 = 139,801.30 : x
  2. Step 2: Convert to fraction form
    254,519.98/351,240.44 = 139,801.30/x
  3. Step 3: Cross multiply
    254,519.98x = 351,240.44 × 139,801.30
  4. Step 4: Simplify right side
    254,519.98x = 49,103,868,547.46
  5. Step 5: Solve for x
    x = 49,103,868,547.46/254,519.98
  6. Step 6: Final answer
    x = 192,927.36

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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.