Home / 255,364.24-352,376.58-157,231.90

Finding the Fourth Proportional to 255,364.24, 352,376.58 and 157,231.90

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Solution

The fourth proportional to 255,364.24, 352,376.58 and 157,231.90 is: 216,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364.24 : 352,376.58 = 157,231.90 : x
  2. Step 2: Convert to fraction form
    255,364.24/352,376.58 = 157,231.90/x
  3. Step 3: Cross multiply
    255,364.24x = 352,376.58 × 157,231.90
  4. Step 4: Simplify right side
    255,364.24x = 55,404,837,718.34
  5. Step 5: Solve for x
    x = 55,404,837,718.34/255,364.24
  6. Step 6: Final answer
    x = 216,963.96

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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.