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Finding the Fourth Proportional to 612,076.82, 918,114.05 and 162,798.16

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Solution

The fourth proportional to 612,076.82, 918,114.05 and 162,798.16 is: 244,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,076.82 : 918,114.05 = 162,798.16 : x
  2. Step 2: Convert to fraction form
    612,076.82/918,114.05 = 162,798.16/x
  3. Step 3: Cross multiply
    612,076.82x = 918,114.05 × 162,798.16
  4. Step 4: Simplify right side
    612,076.82x = 149,467,278,010.15
  5. Step 5: Solve for x
    x = 149,467,278,010.15/612,076.82
  6. Step 6: Final answer
    x = 244,196.93

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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.