Home / 257,032.78-354,744.41-160,252.33

Finding the Fourth Proportional to 257,032.78, 354,744.41 and 160,252.33

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Solution

The fourth proportional to 257,032.78, 354,744.41 and 160,252.33 is: 221,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,032.78 : 354,744.41 = 160,252.33 : x
  2. Step 2: Convert to fraction form
    257,032.78/354,744.41 = 160,252.33/x
  3. Step 3: Cross multiply
    257,032.78x = 354,744.41 × 160,252.33
  4. Step 4: Simplify right side
    257,032.78x = 56,848,617,455.71
  5. Step 5: Solve for x
    x = 56,848,617,455.71/257,032.78
  6. Step 6: Final answer
    x = 221,172.64

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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.