Home / 221,994.12-333,075.07-133,309.45

Finding the Fourth Proportional to 221,994.12, 333,075.07 and 133,309.45

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Solution

The fourth proportional to 221,994.12, 333,075.07 and 133,309.45 is: 200,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,994.12 : 333,075.07 = 133,309.45 : x
  2. Step 2: Convert to fraction form
    221,994.12/333,075.07 = 133,309.45/x
  3. Step 3: Cross multiply
    221,994.12x = 333,075.07 × 133,309.45
  4. Step 4: Simplify right side
    221,994.12x = 44,402,054,390.41
  5. Step 5: Solve for x
    x = 44,402,054,390.41/221,994.12
  6. Step 6: Final answer
    x = 200,014.55

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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.