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Finding the Fourth Proportional to 340,480.36, 510,803.26 and 103,827.24

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Solution

The fourth proportional to 340,480.36, 510,803.26 and 103,827.24 is: 155,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,480.36 : 510,803.26 = 103,827.24 : x
  2. Step 2: Convert to fraction form
    340,480.36/510,803.26 = 103,827.24/x
  3. Step 3: Cross multiply
    340,480.36x = 510,803.26 × 103,827.24
  4. Step 4: Simplify right side
    340,480.36x = 53,035,292,668.80
  5. Step 5: Solve for x
    x = 53,035,292,668.80/340,480.36
  6. Step 6: Final answer
    x = 155,766.08

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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.