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Finding the Fourth Proportional to 411,228.48, 567,468.90 and 229,955.34

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Solution

The fourth proportional to 411,228.48, 567,468.90 and 229,955.34 is: 317,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,228.48 : 567,468.90 = 229,955.34 : x
  2. Step 2: Convert to fraction form
    411,228.48/567,468.90 = 229,955.34/x
  3. Step 3: Cross multiply
    411,228.48x = 567,468.90 × 229,955.34
  4. Step 4: Simplify right side
    411,228.48x = 130,492,503,838.93
  5. Step 5: Solve for x
    x = 130,492,503,838.93/411,228.48
  6. Step 6: Final answer
    x = 317,323.61

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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.