Home / 427,359.64-641,258.16-174,826.75

Finding the Fourth Proportional to 427,359.64, 641,258.16 and 174,826.75

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Solution

The fourth proportional to 427,359.64, 641,258.16 and 174,826.75 is: 262,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,359.64 : 641,258.16 = 174,826.75 : x
  2. Step 2: Convert to fraction form
    427,359.64/641,258.16 = 174,826.75/x
  3. Step 3: Cross multiply
    427,359.64x = 641,258.16 × 174,826.75
  4. Step 4: Simplify right side
    427,359.64x = 112,109,075,943.36
  5. Step 5: Solve for x
    x = 112,109,075,943.36/427,359.64
  6. Step 6: Final answer
    x = 262,329.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.