Home / 290,017.32-400,272.03-169,158.61

Finding the Fourth Proportional to 290,017.32, 400,272.03 and 169,158.61

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Solution

The fourth proportional to 290,017.32, 400,272.03 and 169,158.61 is: 233,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,017.32 : 400,272.03 = 169,158.61 : x
  2. Step 2: Convert to fraction form
    290,017.32/400,272.03 = 169,158.61/x
  3. Step 3: Cross multiply
    290,017.32x = 400,272.03 × 169,158.61
  4. Step 4: Simplify right side
    290,017.32x = 67,709,460,216.68
  5. Step 5: Solve for x
    x = 67,709,460,216.68/290,017.32
  6. Step 6: Final answer
    x = 233,466.95

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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.