Home / 340,303.37-510,539.13-140,680.85

Finding the Fourth Proportional to 340,303.37, 510,539.13 and 140,680.85

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Solution

The fourth proportional to 340,303.37, 510,539.13 and 140,680.85 is: 211,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,303.37 : 510,539.13 = 140,680.85 : x
  2. Step 2: Convert to fraction form
    340,303.37/510,539.13 = 140,680.85/x
  3. Step 3: Cross multiply
    340,303.37x = 510,539.13 × 140,680.85
  4. Step 4: Simplify right side
    340,303.37x = 71,823,076,213.96
  5. Step 5: Solve for x
    x = 71,823,076,213.96/340,303.37
  6. Step 6: Final answer
    x = 211,056.03

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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.