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Finding the Fourth Proportional to 255,750.86, 352,928.46 and 141,029.45

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Solution

The fourth proportional to 255,750.86, 352,928.46 and 141,029.45 is: 194,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,750.86 : 352,928.46 = 141,029.45 : x
  2. Step 2: Convert to fraction form
    255,750.86/352,928.46 = 141,029.45/x
  3. Step 3: Cross multiply
    255,750.86x = 352,928.46 × 141,029.45
  4. Step 4: Simplify right side
    255,750.86x = 49,773,306,603.15
  5. Step 5: Solve for x
    x = 49,773,306,603.15/255,750.86
  6. Step 6: Final answer
    x = 194,616.38

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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.