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Finding the Fourth Proportional to 303,411.39, 418,706.85 and 167,444.35

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Solution

The fourth proportional to 303,411.39, 418,706.85 and 167,444.35 is: 231,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,411.39 : 418,706.85 = 167,444.35 : x
  2. Step 2: Convert to fraction form
    303,411.39/418,706.85 = 167,444.35/x
  3. Step 3: Cross multiply
    303,411.39x = 418,706.85 × 167,444.35
  4. Step 4: Simplify right side
    303,411.39x = 70,110,094,245.26
  5. Step 5: Solve for x
    x = 70,110,094,245.26/303,411.39
  6. Step 6: Final answer
    x = 231,072.72

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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.