Home / 344,023.98-515,831.57-130,807.50

Finding the Fourth Proportional to 344,023.98, 515,831.57 and 130,807.50

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Solution

The fourth proportional to 344,023.98, 515,831.57 and 130,807.50 is: 196,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,023.98 : 515,831.57 = 130,807.50 : x
  2. Step 2: Convert to fraction form
    344,023.98/515,831.57 = 130,807.50/x
  3. Step 3: Cross multiply
    344,023.98x = 515,831.57 × 130,807.50
  4. Step 4: Simplify right side
    344,023.98x = 67,474,638,092.78
  5. Step 5: Solve for x
    x = 67,474,638,092.78/344,023.98
  6. Step 6: Final answer
    x = 196,133.53

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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.