Home / 290,084.76-400,316.58-162,772.20

Finding the Fourth Proportional to 290,084.76, 400,316.58 and 162,772.20

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Solution

The fourth proportional to 290,084.76, 400,316.58 and 162,772.20 is: 224,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,084.76 : 400,316.58 = 162,772.20 : x
  2. Step 2: Convert to fraction form
    290,084.76/400,316.58 = 162,772.20/x
  3. Step 3: Cross multiply
    290,084.76x = 400,316.58 × 162,772.20
  4. Step 4: Simplify right side
    290,084.76x = 65,160,410,423.08
  5. Step 5: Solve for x
    x = 65,160,410,423.08/290,084.76
  6. Step 6: Final answer
    x = 224,625.42

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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.