Home / 343,828.94-515,944.21-144,133.98

Finding the Fourth Proportional to 343,828.94, 515,944.21 and 144,133.98

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Solution

The fourth proportional to 343,828.94, 515,944.21 and 144,133.98 is: 216,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,828.94 : 515,944.21 = 144,133.98 : x
  2. Step 2: Convert to fraction form
    343,828.94/515,944.21 = 144,133.98/x
  3. Step 3: Cross multiply
    343,828.94x = 515,944.21 × 144,133.98
  4. Step 4: Simplify right side
    343,828.94x = 74,365,092,445.26
  5. Step 5: Solve for x
    x = 74,365,092,445.26/343,828.94
  6. Step 6: Final answer
    x = 216,285.15

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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.