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Finding the Fourth Proportional to 255,889.04, 383,833.48 and 89,677.04

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Solution

The fourth proportional to 255,889.04, 383,833.48 and 89,677.04 is: 134,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,889.04 : 383,833.48 = 89,677.04 : x
  2. Step 2: Convert to fraction form
    255,889.04/383,833.48 = 89,677.04/x
  3. Step 3: Cross multiply
    255,889.04x = 383,833.48 × 89,677.04
  4. Step 4: Simplify right side
    255,889.04x = 34,421,050,339.30
  5. Step 5: Solve for x
    x = 34,421,050,339.30/255,889.04
  6. Step 6: Final answer
    x = 134,515.53

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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.