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Finding the Fourth Proportional to 423,375.02, 584,252.56 and 229,783.07

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Solution

The fourth proportional to 423,375.02, 584,252.56 and 229,783.07 is: 317,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,375.02 : 584,252.56 = 229,783.07 : x
  2. Step 2: Convert to fraction form
    423,375.02/584,252.56 = 229,783.07/x
  3. Step 3: Cross multiply
    423,375.02x = 584,252.56 × 229,783.07
  4. Step 4: Simplify right side
    423,375.02x = 134,251,346,892.16
  5. Step 5: Solve for x
    x = 134,251,346,892.16/423,375.02
  6. Step 6: Final answer
    x = 317,097.94

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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.