Home / 470,441.12-649,200.88-255,584.48

Finding the Fourth Proportional to 470,441.12, 649,200.88 and 255,584.48

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Solution

The fourth proportional to 470,441.12, 649,200.88 and 255,584.48 is: 352,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,441.12 : 649,200.88 = 255,584.48 : x
  2. Step 2: Convert to fraction form
    470,441.12/649,200.88 = 255,584.48/x
  3. Step 3: Cross multiply
    470,441.12x = 649,200.88 × 255,584.48
  4. Step 4: Simplify right side
    470,441.12x = 165,925,669,330.34
  5. Step 5: Solve for x
    x = 165,925,669,330.34/470,441.12
  6. Step 6: Final answer
    x = 352,702.31

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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.