Home / 449,373.07-620,139.06-255,771.32

Finding the Fourth Proportional to 449,373.07, 620,139.06 and 255,771.32

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Solution

The fourth proportional to 449,373.07, 620,139.06 and 255,771.32 is: 352,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,373.07 : 620,139.06 = 255,771.32 : x
  2. Step 2: Convert to fraction form
    449,373.07/620,139.06 = 255,771.32/x
  3. Step 3: Cross multiply
    449,373.07x = 620,139.06 × 255,771.32
  4. Step 4: Simplify right side
    449,373.07x = 158,613,784,680.90
  5. Step 5: Solve for x
    x = 158,613,784,680.90/449,373.07
  6. Step 6: Final answer
    x = 352,966.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.