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Finding the Fourth Proportional to 351,192.59, 484,645.77 and 190,047.63

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Solution

The fourth proportional to 351,192.59, 484,645.77 and 190,047.63 is: 262,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,192.59 : 484,645.77 = 190,047.63 : x
  2. Step 2: Convert to fraction form
    351,192.59/484,645.77 = 190,047.63/x
  3. Step 3: Cross multiply
    351,192.59x = 484,645.77 × 190,047.63
  4. Step 4: Simplify right side
    351,192.59x = 92,105,782,329.96
  5. Step 5: Solve for x
    x = 92,105,782,329.96/351,192.59
  6. Step 6: Final answer
    x = 262,265.74

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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.