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Finding the Fourth Proportional to 313,365.16, 432,512.10 and 192,569.80

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Solution

The fourth proportional to 313,365.16, 432,512.10 and 192,569.80 is: 265,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,365.16 : 432,512.10 = 192,569.80 : x
  2. Step 2: Convert to fraction form
    313,365.16/432,512.10 = 192,569.80/x
  3. Step 3: Cross multiply
    313,365.16x = 432,512.10 × 192,569.80
  4. Step 4: Simplify right side
    313,365.16x = 83,288,768,594.58
  5. Step 5: Solve for x
    x = 83,288,768,594.58/313,365.16
  6. Step 6: Final answer
    x = 265,788.22

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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.