Home / 434,400.21-651,629.48-118,859.85

Finding the Fourth Proportional to 434,400.21, 651,629.48 and 118,859.85

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Solution

The fourth proportional to 434,400.21, 651,629.48 and 118,859.85 is: 178,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,400.21 : 651,629.48 = 118,859.85 : x
  2. Step 2: Convert to fraction form
    434,400.21/651,629.48 = 118,859.85/x
  3. Step 3: Cross multiply
    434,400.21x = 651,629.48 × 118,859.85
  4. Step 4: Simplify right side
    434,400.21x = 77,452,582,248.38
  5. Step 5: Solve for x
    x = 77,452,582,248.38/434,400.21
  6. Step 6: Final answer
    x = 178,297.76

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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.