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Finding the Fourth Proportional to 210,276.66, 290,170.76 and 114,764.82

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Solution

The fourth proportional to 210,276.66, 290,170.76 and 114,764.82 is: 158,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,276.66 : 290,170.76 = 114,764.82 : x
  2. Step 2: Convert to fraction form
    210,276.66/290,170.76 = 114,764.82/x
  3. Step 3: Cross multiply
    210,276.66x = 290,170.76 × 114,764.82
  4. Step 4: Simplify right side
    210,276.66x = 33,301,395,040.66
  5. Step 5: Solve for x
    x = 33,301,395,040.66/210,276.66
  6. Step 6: Final answer
    x = 158,369.43

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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.