Home / 290,077.48-400,313.40-169,226.92

Finding the Fourth Proportional to 290,077.48, 400,313.40 and 169,226.92

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Solution

The fourth proportional to 290,077.48, 400,313.40 and 169,226.92 is: 233,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,077.48 : 400,313.40 = 169,226.92 : x
  2. Step 2: Convert to fraction form
    290,077.48/400,313.40 = 169,226.92/x
  3. Step 3: Cross multiply
    290,077.48x = 400,313.40 × 169,226.92
  4. Step 4: Simplify right side
    290,077.48x = 67,743,803,716.73
  5. Step 5: Solve for x
    x = 67,743,803,716.73/290,077.48
  6. Step 6: Final answer
    x = 233,536.93

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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.