Home / 424,646-637,067.42-144,163.25

Finding the Fourth Proportional to 424,646, 637,067.42 and 144,163.25

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Solution

The fourth proportional to 424,646, 637,067.42 and 144,163.25 is: 216,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,646 : 637,067.42 = 144,163.25 : x
  2. Step 2: Convert to fraction form
    424,646/637,067.42 = 144,163.25/x
  3. Step 3: Cross multiply
    424,646x = 637,067.42 × 144,163.25
  4. Step 4: Simplify right side
    424,646x = 91,841,709,736.32
  5. Step 5: Solve for x
    x = 91,841,709,736.32/424,646
  6. Step 6: Final answer
    x = 216,278.29

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1.5x scale

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.