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Finding the Fourth Proportional to 303,479.22, 418,801.35 and 167,513.20

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Solution

The fourth proportional to 303,479.22, 418,801.35 and 167,513.20 is: 231,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,479.22 : 418,801.35 = 167,513.20 : x
  2. Step 2: Convert to fraction form
    303,479.22/418,801.35 = 167,513.20/x
  3. Step 3: Cross multiply
    303,479.22x = 418,801.35 × 167,513.20
  4. Step 4: Simplify right side
    303,479.22x = 70,154,754,302.82
  5. Step 5: Solve for x
    x = 70,154,754,302.82/303,479.22
  6. Step 6: Final answer
    x = 231,168.23

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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.