Home / 438,868.52-657,804.94-201,721.16

Finding the Fourth Proportional to 438,868.52, 657,804.94 and 201,721.16

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Solution

The fourth proportional to 438,868.52, 657,804.94 and 201,721.16 is: 302,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,868.52 : 657,804.94 = 201,721.16 : x
  2. Step 2: Convert to fraction form
    438,868.52/657,804.94 = 201,721.16/x
  3. Step 3: Cross multiply
    438,868.52x = 657,804.94 × 201,721.16
  4. Step 4: Simplify right side
    438,868.52x = 132,693,175,550.53
  5. Step 5: Solve for x
    x = 132,693,175,550.53/438,868.52
  6. Step 6: Final answer
    x = 302,352.91

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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.