Home / 395,183.36-545,352.98-213,895.24

Finding the Fourth Proportional to 395,183.36, 545,352.98 and 213,895.24

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Solution

The fourth proportional to 395,183.36, 545,352.98 and 213,895.24 is: 295,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,183.36 : 545,352.98 = 213,895.24 : x
  2. Step 2: Convert to fraction form
    395,183.36/545,352.98 = 213,895.24/x
  3. Step 3: Cross multiply
    395,183.36x = 545,352.98 × 213,895.24
  4. Step 4: Simplify right side
    395,183.36x = 116,648,406,541.82
  5. Step 5: Solve for x
    x = 116,648,406,541.82/395,183.36
  6. Step 6: Final answer
    x = 295,175.40

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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.