Home / 255,411.32-383,116.26-115,005.56

Finding the Fourth Proportional to 255,411.32, 383,116.26 and 115,005.56

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Solution

The fourth proportional to 255,411.32, 383,116.26 and 115,005.56 is: 172,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,411.32 : 383,116.26 = 115,005.56 : x
  2. Step 2: Convert to fraction form
    255,411.32/383,116.26 = 115,005.56/x
  3. Step 3: Cross multiply
    255,411.32x = 383,116.26 × 115,005.56
  4. Step 4: Simplify right side
    255,411.32x = 44,060,500,026.41
  5. Step 5: Solve for x
    x = 44,060,500,026.41/255,411.32
  6. Step 6: Final answer
    x = 172,508.02

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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.