Home / 290,328.35-400,692.57-163,028.55

Finding the Fourth Proportional to 290,328.35, 400,692.57 and 163,028.55

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Solution

The fourth proportional to 290,328.35, 400,692.57 and 163,028.55 is: 225,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,328.35 : 400,692.57 = 163,028.55 : x
  2. Step 2: Convert to fraction form
    290,328.35/400,692.57 = 163,028.55/x
  3. Step 3: Cross multiply
    290,328.35x = 400,692.57 × 163,028.55
  4. Step 4: Simplify right side
    290,328.35x = 65,324,328,237.25
  5. Step 5: Solve for x
    x = 65,324,328,237.25/290,328.35
  6. Step 6: Final answer
    x = 225,001.55

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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.