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Finding the Fourth Proportional to 388,582, 582,483.88 and 151,598.64

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Solution

The fourth proportional to 388,582, 582,483.88 and 151,598.64 is: 227,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,582 : 582,483.88 = 151,598.64 : x
  2. Step 2: Convert to fraction form
    388,582/582,483.88 = 151,598.64/x
  3. Step 3: Cross multiply
    388,582x = 582,483.88 × 151,598.64
  4. Step 4: Simplify right side
    388,582x = 88,303,764,029.92
  5. Step 5: Solve for x
    x = 88,303,764,029.92/388,582
  6. Step 6: Final answer
    x = 227,246.15

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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.