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Finding the Fourth Proportional to 255,697.60, 383,546.40 and 230,814.40

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Solution

The fourth proportional to 255,697.60, 383,546.40 and 230,814.40 is: 346,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,697.60 : 383,546.40 = 230,814.40 : x
  2. Step 2: Convert to fraction form
    255,697.60/383,546.40 = 230,814.40/x
  3. Step 3: Cross multiply
    255,697.60x = 383,546.40 × 230,814.40
  4. Step 4: Simplify right side
    255,697.60x = 88,528,032,188.16
  5. Step 5: Solve for x
    x = 88,528,032,188.16/255,697.60
  6. Step 6: Final answer
    x = 346,221.60

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1.5x scale

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.