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Finding the Fourth Proportional to 248,097.60, 347,803.20 and 248,097.60

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Solution

The fourth proportional to 248,097.60, 347,803.20 and 248,097.60 is: 347,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,097.60 : 347,803.20 = 248,097.60 : x
  2. Step 2: Convert to fraction form
    248,097.60/347,803.20 = 248,097.60/x
  3. Step 3: Cross multiply
    248,097.60x = 347,803.20 × 248,097.60
  4. Step 4: Simplify right side
    248,097.60x = 86,289,139,192.32
  5. Step 5: Solve for x
    x = 86,289,139,192.32/248,097.60
  6. Step 6: Final answer
    x = 347,803.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.