Home / 323,320.36-446,386.38-238,289.32

Finding the Fourth Proportional to 323,320.36, 446,386.38 and 238,289.32

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Solution

The fourth proportional to 323,320.36, 446,386.38 and 238,289.32 is: 328,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,320.36 : 446,386.38 = 238,289.32 : x
  2. Step 2: Convert to fraction form
    323,320.36/446,386.38 = 238,289.32/x
  3. Step 3: Cross multiply
    323,320.36x = 446,386.38 × 238,289.32
  4. Step 4: Simplify right side
    323,320.36x = 106,369,106,947.46
  5. Step 5: Solve for x
    x = 106,369,106,947.46/323,320.36
  6. Step 6: Final answer
    x = 328,989.82

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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.