Home / 290,348.32-400,680.12-163,024.60

Finding the Fourth Proportional to 290,348.32, 400,680.12 and 163,024.60

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Solution

The fourth proportional to 290,348.32, 400,680.12 and 163,024.60 is: 224,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,348.32 : 400,680.12 = 163,024.60 : x
  2. Step 2: Convert to fraction form
    290,348.32/400,680.12 = 163,024.60/x
  3. Step 3: Cross multiply
    290,348.32x = 400,680.12 × 163,024.60
  4. Step 4: Simplify right side
    290,348.32x = 65,320,716,290.95
  5. Step 5: Solve for x
    x = 65,320,716,290.95/290,348.32
  6. Step 6: Final answer
    x = 224,973.63

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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.