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Finding the Fourth Proportional to 340,252.60, 510,233.10 and 140,506.60

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Solution

The fourth proportional to 340,252.60, 510,233.10 and 140,506.60 is: 210,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,252.60 : 510,233.10 = 140,506.60 : x
  2. Step 2: Convert to fraction form
    340,252.60/510,233.10 = 140,506.60/x
  3. Step 3: Cross multiply
    340,252.60x = 510,233.10 × 140,506.60
  4. Step 4: Simplify right side
    340,252.60x = 71,691,118,088.46
  5. Step 5: Solve for x
    x = 71,691,118,088.46/340,252.60
  6. Step 6: Final answer
    x = 210,699.69

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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.