Home / 369,128.56-509,385.36-233,236.48

Finding the Fourth Proportional to 369,128.56, 509,385.36 and 233,236.48

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Solution

The fourth proportional to 369,128.56, 509,385.36 and 233,236.48 is: 321,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,128.56 : 509,385.36 = 233,236.48 : x
  2. Step 2: Convert to fraction form
    369,128.56/509,385.36 = 233,236.48/x
  3. Step 3: Cross multiply
    369,128.56x = 509,385.36 × 233,236.48
  4. Step 4: Simplify right side
    369,128.56x = 118,807,248,329.93
  5. Step 5: Solve for x
    x = 118,807,248,329.93/369,128.56
  6. Step 6: Final answer
    x = 321,858.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.