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Finding the Fourth Proportional to 290,235.52, 400,503.04 and 162,886.52

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Solution

The fourth proportional to 290,235.52, 400,503.04 and 162,886.52 is: 224,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,235.52 : 400,503.04 = 162,886.52 : x
  2. Step 2: Convert to fraction form
    290,235.52/400,503.04 = 162,886.52/x
  3. Step 3: Cross multiply
    290,235.52x = 400,503.04 × 162,886.52
  4. Step 4: Simplify right side
    290,235.52x = 65,236,546,435.02
  5. Step 5: Solve for x
    x = 65,236,546,435.02/290,235.52
  6. Step 6: Final answer
    x = 224,771.06

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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.