Home / 291,558.30-402,352.46-162,505.10

Finding the Fourth Proportional to 291,558.30, 402,352.46 and 162,505.10

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Solution

The fourth proportional to 291,558.30, 402,352.46 and 162,505.10 is: 224,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,558.30 : 402,352.46 = 162,505.10 : x
  2. Step 2: Convert to fraction form
    291,558.30/402,352.46 = 162,505.10/x
  3. Step 3: Cross multiply
    291,558.30x = 402,352.46 × 162,505.10
  4. Step 4: Simplify right side
    291,558.30x = 65,384,326,747.55
  5. Step 5: Solve for x
    x = 65,384,326,747.55/291,558.30
  6. Step 6: Final answer
    x = 224,258.16

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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.