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Finding the Fourth Proportional to 484,552.58, 668,675.82 and 269,692.70

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Solution

The fourth proportional to 484,552.58, 668,675.82 and 269,692.70 is: 372,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,552.58 : 668,675.82 = 269,692.70 : x
  2. Step 2: Convert to fraction form
    484,552.58/668,675.82 = 269,692.70/x
  3. Step 3: Cross multiply
    484,552.58x = 668,675.82 × 269,692.70
  4. Step 4: Simplify right side
    484,552.58x = 180,336,987,320.51
  5. Step 5: Solve for x
    x = 180,336,987,320.51/484,552.58
  6. Step 6: Final answer
    x = 372,172.17

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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.