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Finding the Fourth Proportional to 291,453.48, 402,226.40 and 162,400.52

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Solution

The fourth proportional to 291,453.48, 402,226.40 and 162,400.52 is: 224,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,453.48 : 402,226.40 = 162,400.52 : x
  2. Step 2: Convert to fraction form
    291,453.48/402,226.40 = 162,400.52/x
  3. Step 3: Cross multiply
    291,453.48x = 402,226.40 × 162,400.52
  4. Step 4: Simplify right side
    291,453.48x = 65,321,776,517.73
  5. Step 5: Solve for x
    x = 65,321,776,517.73/291,453.48
  6. Step 6: Final answer
    x = 224,124.19

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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.