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Finding the Fourth Proportional to 336,420, 504,630.08 and 136,848.96

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Solution

The fourth proportional to 336,420, 504,630.08 and 136,848.96 is: 205,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,420 : 504,630.08 = 136,848.96 : x
  2. Step 2: Convert to fraction form
    336,420/504,630.08 = 136,848.96/x
  3. Step 3: Cross multiply
    336,420x = 504,630.08 × 136,848.96
  4. Step 4: Simplify right side
    336,420x = 69,058,101,632.72
  5. Step 5: Solve for x
    x = 69,058,101,632.72/336,420
  6. Step 6: Final answer
    x = 205,273.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.