Home / 281,350.42-388,263.59-154,026.02

Finding the Fourth Proportional to 281,350.42, 388,263.59 and 154,026.02

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Solution

The fourth proportional to 281,350.42, 388,263.59 and 154,026.02 is: 212,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350.42 : 388,263.59 = 154,026.02 : x
  2. Step 2: Convert to fraction form
    281,350.42/388,263.59 = 154,026.02/x
  3. Step 3: Cross multiply
    281,350.42x = 388,263.59 × 154,026.02
  4. Step 4: Simplify right side
    281,350.42x = 59,802,695,478.61
  5. Step 5: Solve for x
    x = 59,802,695,478.61/281,350.42
  6. Step 6: Final answer
    x = 212,555.91

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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.