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Finding the Fourth Proportional to 281,364.56, 388,292.88 and 154,041.08

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Solution

The fourth proportional to 281,364.56, 388,292.88 and 154,041.08 is: 212,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,364.56 : 388,292.88 = 154,041.08 : x
  2. Step 2: Convert to fraction form
    281,364.56/388,292.88 = 154,041.08/x
  3. Step 3: Cross multiply
    281,364.56x = 388,292.88 × 154,041.08
  4. Step 4: Simplify right side
    281,364.56x = 59,813,054,591.51
  5. Step 5: Solve for x
    x = 59,813,054,591.51/281,364.56
  6. Step 6: Final answer
    x = 212,582.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.