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Finding the Fourth Proportional to 501,030.70, 751,546.05 and 127,053.70

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Solution

The fourth proportional to 501,030.70, 751,546.05 and 127,053.70 is: 190,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,030.70 : 751,546.05 = 127,053.70 : x
  2. Step 2: Convert to fraction form
    501,030.70/751,546.05 = 127,053.70/x
  3. Step 3: Cross multiply
    501,030.70x = 751,546.05 × 127,053.70
  4. Step 4: Simplify right side
    501,030.70x = 95,486,706,372.89
  5. Step 5: Solve for x
    x = 95,486,706,372.89/501,030.70
  6. Step 6: Final answer
    x = 190,580.55

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Similar ratio
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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.