Home / 251,935.53-347,655.08-138,758.28

Finding the Fourth Proportional to 251,935.53, 347,655.08 and 138,758.28

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Solution

The fourth proportional to 251,935.53, 347,655.08 and 138,758.28 is: 191,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,935.53 : 347,655.08 = 138,758.28 : x
  2. Step 2: Convert to fraction form
    251,935.53/347,655.08 = 138,758.28/x
  3. Step 3: Cross multiply
    251,935.53x = 347,655.08 × 138,758.28
  4. Step 4: Simplify right side
    251,935.53x = 48,240,020,240.27
  5. Step 5: Solve for x
    x = 48,240,020,240.27/251,935.53
  6. Step 6: Final answer
    x = 191,477.64

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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.