Home / 357,077.22-492,152.94-340,260.57

Finding the Fourth Proportional to 357,077.22, 492,152.94 and 340,260.57

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Solution

The fourth proportional to 357,077.22, 492,152.94 and 340,260.57 is: 468,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,077.22 : 492,152.94 = 340,260.57 : x
  2. Step 2: Convert to fraction form
    357,077.22/492,152.94 = 340,260.57/x
  3. Step 3: Cross multiply
    357,077.22x = 492,152.94 × 340,260.57
  4. Step 4: Simplify right side
    357,077.22x = 167,460,239,891.58
  5. Step 5: Solve for x
    x = 167,460,239,891.58/357,077.22
  6. Step 6: Final answer
    x = 468,974.86

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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.