Home / 446,430.36-669,670.83-142,851.21

Finding the Fourth Proportional to 446,430.36, 669,670.83 and 142,851.21

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Solution

The fourth proportional to 446,430.36, 669,670.83 and 142,851.21 is: 214,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,430.36 : 669,670.83 = 142,851.21 : x
  2. Step 2: Convert to fraction form
    446,430.36/669,670.83 = 142,851.21/x
  3. Step 3: Cross multiply
    446,430.36x = 669,670.83 × 142,851.21
  4. Step 4: Simplify right side
    446,430.36x = 95,663,288,367.20
  5. Step 5: Solve for x
    x = 95,663,288,367.20/446,430.36
  6. Step 6: Final answer
    x = 214,284.91

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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.