Home / 433,046.36-649,380-230,599.82

Finding the Fourth Proportional to 433,046.36, 649,380 and 230,599.82

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Solution

The fourth proportional to 433,046.36, 649,380 and 230,599.82 is: 345,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,046.36 : 649,380 = 230,599.82 : x
  2. Step 2: Convert to fraction form
    433,046.36/649,380 = 230,599.82/x
  3. Step 3: Cross multiply
    433,046.36x = 649,380 × 230,599.82
  4. Step 4: Simplify right side
    433,046.36x = 149,746,911,111.60
  5. Step 5: Solve for x
    x = 149,746,911,111.60/433,046.36
  6. Step 6: Final answer
    x = 345,798.80

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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.