Home / 340,309.37-510,548.13-140,686.85

Finding the Fourth Proportional to 340,309.37, 510,548.13 and 140,686.85

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Solution

The fourth proportional to 340,309.37, 510,548.13 and 140,686.85 is: 211,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,309.37 : 510,548.13 = 140,686.85 : x
  2. Step 2: Convert to fraction form
    340,309.37/510,548.13 = 140,686.85/x
  3. Step 3: Cross multiply
    340,309.37x = 510,548.13 × 140,686.85
  4. Step 4: Simplify right side
    340,309.37x = 71,827,405,630.35
  5. Step 5: Solve for x
    x = 71,827,405,630.35/340,309.37
  6. Step 6: Final answer
    x = 211,065.03

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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.