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Finding the Fourth Proportional to 255,492.72, 383,221.26 and 95,538.24

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Solution

The fourth proportional to 255,492.72, 383,221.26 and 95,538.24 is: 143,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,492.72 : 383,221.26 = 95,538.24 : x
  2. Step 2: Convert to fraction form
    255,492.72/383,221.26 = 95,538.24/x
  3. Step 3: Cross multiply
    255,492.72x = 383,221.26 × 95,538.24
  4. Step 4: Simplify right side
    255,492.72x = 36,612,284,710.98
  5. Step 5: Solve for x
    x = 36,612,284,710.98/255,492.72
  6. Step 6: Final answer
    x = 143,300.70

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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.