Home / 294,173.06-405,946.02-163,342.56

Finding the Fourth Proportional to 294,173.06, 405,946.02 and 163,342.56

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Solution

The fourth proportional to 294,173.06, 405,946.02 and 163,342.56 is: 225,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,173.06 : 405,946.02 = 163,342.56 : x
  2. Step 2: Convert to fraction form
    294,173.06/405,946.02 = 163,342.56/x
  3. Step 3: Cross multiply
    294,173.06x = 405,946.02 × 163,342.56
  4. Step 4: Simplify right side
    294,173.06x = 66,308,262,128.61
  5. Step 5: Solve for x
    x = 66,308,262,128.61/294,173.06
  6. Step 6: Final answer
    x = 225,405.63

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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.