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Finding the Fourth Proportional to 220,223.25, 303,907.77 and 124,748.31

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Solution

The fourth proportional to 220,223.25, 303,907.77 and 124,748.31 is: 172,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.25 : 303,907.77 = 124,748.31 : x
  2. Step 2: Convert to fraction form
    220,223.25/303,907.77 = 124,748.31/x
  3. Step 3: Cross multiply
    220,223.25x = 303,907.77 × 124,748.31
  4. Step 4: Simplify right side
    220,223.25x = 37,911,980,703.37
  5. Step 5: Solve for x
    x = 37,911,980,703.37/220,223.25
  6. Step 6: Final answer
    x = 172,152.49

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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.