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Finding the Fourth Proportional to 255,937.60, 383,733.60 and 136,014.40

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Solution

The fourth proportional to 255,937.60, 383,733.60 and 136,014.40 is: 203,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,937.60 : 383,733.60 = 136,014.40 : x
  2. Step 2: Convert to fraction form
    255,937.60/383,733.60 = 136,014.40/x
  3. Step 3: Cross multiply
    255,937.60x = 383,733.60 × 136,014.40
  4. Step 4: Simplify right side
    255,937.60x = 52,193,295,363.84
  5. Step 5: Solve for x
    x = 52,193,295,363.84/255,937.60
  6. Step 6: Final answer
    x = 203,929.77

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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.