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Finding the Fourth Proportional to 613,231.98, 919,852.16 and 234,050.46

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Solution

The fourth proportional to 613,231.98, 919,852.16 and 234,050.46 is: 351,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,231.98 : 919,852.16 = 234,050.46 : x
  2. Step 2: Convert to fraction form
    613,231.98/919,852.16 = 234,050.46/x
  3. Step 3: Cross multiply
    613,231.98x = 919,852.16 × 234,050.46
  4. Step 4: Simplify right side
    613,231.98x = 215,291,820,009.74
  5. Step 5: Solve for x
    x = 215,291,820,009.74/613,231.98
  6. Step 6: Final answer
    x = 351,077.29

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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.