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Finding the Fourth Proportional to 610,160.36, 915,275.37 and 205,190.06

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Solution

The fourth proportional to 610,160.36, 915,275.37 and 205,190.06 is: 307,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,160.36 : 915,275.37 = 205,190.06 : x
  2. Step 2: Convert to fraction form
    610,160.36/915,275.37 = 205,190.06/x
  3. Step 3: Cross multiply
    610,160.36x = 915,275.37 × 205,190.06
  4. Step 4: Simplify right side
    610,160.36x = 187,805,408,086.82
  5. Step 5: Solve for x
    x = 187,805,408,086.82/610,160.36
  6. Step 6: Final answer
    x = 307,796.80

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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.