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Finding the Fourth Proportional to 373,333.56, 515,212.35 and 210,018.36

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Solution

The fourth proportional to 373,333.56, 515,212.35 and 210,018.36 is: 289,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,333.56 : 515,212.35 = 210,018.36 : x
  2. Step 2: Convert to fraction form
    373,333.56/515,212.35 = 210,018.36/x
  3. Step 3: Cross multiply
    373,333.56x = 515,212.35 × 210,018.36
  4. Step 4: Simplify right side
    373,333.56x = 108,204,052,798.75
  5. Step 5: Solve for x
    x = 108,204,052,798.75/373,333.56
  6. Step 6: Final answer
    x = 289,832.11

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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.