Home / 290,066.17-400,285.08-160,997.10

Finding the Fourth Proportional to 290,066.17, 400,285.08 and 160,997.10

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Solution

The fourth proportional to 290,066.17, 400,285.08 and 160,997.10 is: 222,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,066.17 : 400,285.08 = 160,997.10 : x
  2. Step 2: Convert to fraction form
    290,066.17/400,285.08 = 160,997.10/x
  3. Step 3: Cross multiply
    290,066.17x = 400,285.08 × 160,997.10
  4. Step 4: Simplify right side
    290,066.17x = 64,444,737,053.27
  5. Step 5: Solve for x
    x = 64,444,737,053.27/290,066.17
  6. Step 6: Final answer
    x = 222,172.54

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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.