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Finding the Fourth Proportional to 299,770.17, 413,679.71 and 168,935.63

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Solution

The fourth proportional to 299,770.17, 413,679.71 and 168,935.63 is: 233,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,770.17 : 413,679.71 = 168,935.63 : x
  2. Step 2: Convert to fraction form
    299,770.17/413,679.71 = 168,935.63/x
  3. Step 3: Cross multiply
    299,770.17x = 413,679.71 × 168,935.63
  4. Step 4: Simplify right side
    299,770.17x = 69,885,239,830.74
  5. Step 5: Solve for x
    x = 69,885,239,830.74/299,770.17
  6. Step 6: Final answer
    x = 233,129.40

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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.