Home / 278,473.32-384,271.56-163,756.44

Finding the Fourth Proportional to 278,473.32, 384,271.56 and 163,756.44

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Solution

The fourth proportional to 278,473.32, 384,271.56 and 163,756.44 is: 225,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,473.32 : 384,271.56 = 163,756.44 : x
  2. Step 2: Convert to fraction form
    278,473.32/384,271.56 = 163,756.44/x
  3. Step 3: Cross multiply
    278,473.32x = 384,271.56 × 163,756.44
  4. Step 4: Simplify right side
    278,473.32x = 62,926,942,658.85
  5. Step 5: Solve for x
    x = 62,926,942,658.85/278,473.32
  6. Step 6: Final answer
    x = 225,971.17

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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.