Home / 388,601.42-582,980.68-163,962.40

Finding the Fourth Proportional to 388,601.42, 582,980.68 and 163,962.40

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Solution

The fourth proportional to 388,601.42, 582,980.68 and 163,962.40 is: 245,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,601.42 : 582,980.68 = 163,962.40 : x
  2. Step 2: Convert to fraction form
    388,601.42/582,980.68 = 163,962.40/x
  3. Step 3: Cross multiply
    388,601.42x = 582,980.68 × 163,962.40
  4. Step 4: Simplify right side
    388,601.42x = 95,586,911,446.43
  5. Step 5: Solve for x
    x = 95,586,911,446.43/388,601.42
  6. Step 6: Final answer
    x = 245,976.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.