Home / 358,437.08-494,574.86-229,276.64

Finding the Fourth Proportional to 358,437.08, 494,574.86 and 229,276.64

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Solution

The fourth proportional to 358,437.08, 494,574.86 and 229,276.64 is: 316,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,437.08 : 494,574.86 = 229,276.64 : x
  2. Step 2: Convert to fraction form
    358,437.08/494,574.86 = 229,276.64/x
  3. Step 3: Cross multiply
    358,437.08x = 494,574.86 × 229,276.64
  4. Step 4: Simplify right side
    358,437.08x = 113,394,463,938.90
  5. Step 5: Solve for x
    x = 113,394,463,938.90/358,437.08
  6. Step 6: Final answer
    x = 316,358.07

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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.