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Finding the Fourth Proportional to 458,300.88, 632,313.48 and 267,178.98

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Solution

The fourth proportional to 458,300.88, 632,313.48 and 267,178.98 is: 368,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,300.88 : 632,313.48 = 267,178.98 : x
  2. Step 2: Convert to fraction form
    458,300.88/632,313.48 = 267,178.98/x
  3. Step 3: Cross multiply
    458,300.88x = 632,313.48 × 267,178.98
  4. Step 4: Simplify right side
    458,300.88x = 168,940,870,626.65
  5. Step 5: Solve for x
    x = 168,940,870,626.65/458,300.88
  6. Step 6: Final answer
    x = 368,624.36

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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.