Home / 281,228.40-388,035.18-166,543.08

Finding the Fourth Proportional to 281,228.40, 388,035.18 and 166,543.08

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Solution

The fourth proportional to 281,228.40, 388,035.18 and 166,543.08 is: 229,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,228.40 : 388,035.18 = 166,543.08 : x
  2. Step 2: Convert to fraction form
    281,228.40/388,035.18 = 166,543.08/x
  3. Step 3: Cross multiply
    281,228.40x = 388,035.18 × 166,543.08
  4. Step 4: Simplify right side
    281,228.40x = 64,624,574,025.55
  5. Step 5: Solve for x
    x = 64,624,574,025.55/281,228.40
  6. Step 6: Final answer
    x = 229,793.91

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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.