Home / 438,122.25-604,608.74-236,918.25

Finding the Fourth Proportional to 438,122.25, 604,608.74 and 236,918.25

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Solution

The fourth proportional to 438,122.25, 604,608.74 and 236,918.25 is: 326,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122.25 : 604,608.74 = 236,918.25 : x
  2. Step 2: Convert to fraction form
    438,122.25/604,608.74 = 236,918.25/x
  3. Step 3: Cross multiply
    438,122.25x = 604,608.74 × 236,918.25
  4. Step 4: Simplify right side
    438,122.25x = 143,242,844,319.36
  5. Step 5: Solve for x
    x = 143,242,844,319.36/438,122.25
  6. Step 6: Final answer
    x = 326,947.20

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1.5x scale

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.