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Finding the Fourth Proportional to 255,271.53, 352,268.87 and 159,830.85

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Solution

The fourth proportional to 255,271.53, 352,268.87 and 159,830.85 is: 220,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,271.53 : 352,268.87 = 159,830.85 : x
  2. Step 2: Convert to fraction form
    255,271.53/352,268.87 = 159,830.85/x
  3. Step 3: Cross multiply
    255,271.53x = 352,268.87 × 159,830.85
  4. Step 4: Simplify right side
    255,271.53x = 56,303,430,360.14
  5. Step 5: Solve for x
    x = 56,303,430,360.14/255,271.53
  6. Step 6: Final answer
    x = 220,562.91

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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.