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Finding the Fourth Proportional to 290,152.52, 400,449.58 and 162,835.10

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Solution

The fourth proportional to 290,152.52, 400,449.58 and 162,835.10 is: 224,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,152.52 : 400,449.58 = 162,835.10 : x
  2. Step 2: Convert to fraction form
    290,152.52/400,449.58 = 162,835.10/x
  3. Step 3: Cross multiply
    290,152.52x = 400,449.58 × 162,835.10
  4. Step 4: Simplify right side
    290,152.52x = 65,207,244,994.92
  5. Step 5: Solve for x
    x = 65,207,244,994.92/290,152.52
  6. Step 6: Final answer
    x = 224,734.38

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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.