Home / 255,440.48-383,160.56-120,473.16

Finding the Fourth Proportional to 255,440.48, 383,160.56 and 120,473.16

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Solution

The fourth proportional to 255,440.48, 383,160.56 and 120,473.16 is: 180,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,440.48 : 383,160.56 = 120,473.16 : x
  2. Step 2: Convert to fraction form
    255,440.48/383,160.56 = 120,473.16/x
  3. Step 3: Cross multiply
    255,440.48x = 383,160.56 × 120,473.16
  4. Step 4: Simplify right side
    255,440.48x = 46,160,563,450.57
  5. Step 5: Solve for x
    x = 46,160,563,450.57/255,440.48
  6. Step 6: Final answer
    x = 180,709.66

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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.