Home / 305,573.04-421,689.33-169,608.60

Finding the Fourth Proportional to 305,573.04, 421,689.33 and 169,608.60

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Solution

The fourth proportional to 305,573.04, 421,689.33 and 169,608.60 is: 234,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,573.04 : 421,689.33 = 169,608.60 : x
  2. Step 2: Convert to fraction form
    305,573.04/421,689.33 = 169,608.60/x
  3. Step 3: Cross multiply
    305,573.04x = 421,689.33 × 169,608.60
  4. Step 4: Simplify right side
    305,573.04x = 71,522,136,896.24
  5. Step 5: Solve for x
    x = 71,522,136,896.24/305,573.04
  6. Step 6: Final answer
    x = 234,059.05

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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.