Home / 306,977.06-423,621.96-171,010.82

Finding the Fourth Proportional to 306,977.06, 423,621.96 and 171,010.82

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Solution

The fourth proportional to 306,977.06, 423,621.96 and 171,010.82 is: 235,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,977.06 : 423,621.96 = 171,010.82 : x
  2. Step 2: Convert to fraction form
    306,977.06/423,621.96 = 171,010.82/x
  3. Step 3: Cross multiply
    306,977.06x = 423,621.96 × 171,010.82
  4. Step 4: Simplify right side
    306,977.06x = 72,443,938,749.61
  5. Step 5: Solve for x
    x = 72,443,938,749.61/306,977.06
  6. Step 6: Final answer
    x = 235,991.38

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1.5x scale

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.