Home / 395,110.23-545,253.48-213,822.11

Finding the Fourth Proportional to 395,110.23, 545,253.48 and 213,822.11

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Solution

The fourth proportional to 395,110.23, 545,253.48 and 213,822.11 is: 295,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,110.23 : 545,253.48 = 213,822.11 : x
  2. Step 2: Convert to fraction form
    395,110.23/545,253.48 = 213,822.11/x
  3. Step 3: Cross multiply
    395,110.23x = 545,253.48 × 213,822.11
  4. Step 4: Simplify right side
    395,110.23x = 116,587,249,578.44
  5. Step 5: Solve for x
    x = 116,587,249,578.44/395,110.23
  6. Step 6: Final answer
    x = 295,075.25

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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.