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Finding the Fourth Proportional to 303,412.39, 418,708.23 and 167,445.35

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Solution

The fourth proportional to 303,412.39, 418,708.23 and 167,445.35 is: 231,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,412.39 : 418,708.23 = 167,445.35 : x
  2. Step 2: Convert to fraction form
    303,412.39/418,708.23 = 167,445.35/x
  3. Step 3: Cross multiply
    303,412.39x = 418,708.23 × 167,445.35
  4. Step 4: Simplify right side
    303,412.39x = 70,110,746,120.23
  5. Step 5: Solve for x
    x = 70,110,746,120.23/303,412.39
  6. Step 6: Final answer
    x = 231,074.10

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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.