Home / 281,199.46-388,055.18-153,875.02

Finding the Fourth Proportional to 281,199.46, 388,055.18 and 153,875.02

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Solution

The fourth proportional to 281,199.46, 388,055.18 and 153,875.02 is: 212,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,199.46 : 388,055.18 = 153,875.02 : x
  2. Step 2: Convert to fraction form
    281,199.46/388,055.18 = 153,875.02/x
  3. Step 3: Cross multiply
    281,199.46x = 388,055.18 × 153,875.02
  4. Step 4: Simplify right side
    281,199.46x = 59,711,998,583.60
  5. Step 5: Solve for x
    x = 59,711,998,583.60/281,199.46
  6. Step 6: Final answer
    x = 212,347.49

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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.