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Finding the Fourth Proportional to 351,151.08, 484,130.97 and 223,780.20

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Solution

The fourth proportional to 351,151.08, 484,130.97 and 223,780.20 is: 308,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,151.08 : 484,130.97 = 223,780.20 : x
  2. Step 2: Convert to fraction form
    351,151.08/484,130.97 = 223,780.20/x
  3. Step 3: Cross multiply
    351,151.08x = 484,130.97 × 223,780.20
  4. Step 4: Simplify right side
    351,151.08x = 108,338,925,292.79
  5. Step 5: Solve for x
    x = 108,338,925,292.79/351,151.08
  6. Step 6: Final answer
    x = 308,525.11

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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.