Home / 305,559.16-421,668.45-169,594.28

Finding the Fourth Proportional to 305,559.16, 421,668.45 and 169,594.28

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Solution

The fourth proportional to 305,559.16, 421,668.45 and 169,594.28 is: 234,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,559.16 : 421,668.45 = 169,594.28 : x
  2. Step 2: Convert to fraction form
    305,559.16/421,668.45 = 169,594.28/x
  3. Step 3: Cross multiply
    305,559.16x = 421,668.45 × 169,594.28
  4. Step 4: Simplify right side
    305,559.16x = 71,512,554,220.15
  5. Step 5: Solve for x
    x = 71,512,554,220.15/305,559.16
  6. Step 6: Final answer
    x = 234,038.33

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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.