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Finding the Fourth Proportional to 340,523.53, 510,782.56 and 127,345.25

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Solution

The fourth proportional to 340,523.53, 510,782.56 and 127,345.25 is: 191,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,523.53 : 510,782.56 = 127,345.25 : x
  2. Step 2: Convert to fraction form
    340,523.53/510,782.56 = 127,345.25/x
  3. Step 3: Cross multiply
    340,523.53x = 510,782.56 × 127,345.25
  4. Step 4: Simplify right side
    340,523.53x = 65,045,730,884.28
  5. Step 5: Solve for x
    x = 65,045,730,884.28/340,523.53
  6. Step 6: Final answer
    x = 191,016.85

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1.5x scale

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.