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Finding the Fourth Proportional to 340,052.00, 510,140.28 and 140,263.40

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Solution

The fourth proportional to 340,052.00, 510,140.28 and 140,263.40 is: 210,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,052.00 : 510,140.28 = 140,263.40 : x
  2. Step 2: Convert to fraction form
    340,052.00/510,140.28 = 140,263.40/x
  3. Step 3: Cross multiply
    340,052.00x = 510,140.28 × 140,263.40
  4. Step 4: Simplify right side
    340,052.00x = 71,554,009,942.60
  5. Step 5: Solve for x
    x = 71,554,009,942.60/340,052.00
  6. Step 6: Final answer
    x = 210,420.79

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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.