Home / 449,218.64-619,905.48-248,010.32

Finding the Fourth Proportional to 449,218.64, 619,905.48 and 248,010.32

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Solution

The fourth proportional to 449,218.64, 619,905.48 and 248,010.32 is: 342,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,218.64 : 619,905.48 = 248,010.32 : x
  2. Step 2: Convert to fraction form
    449,218.64/619,905.48 = 248,010.32/x
  3. Step 3: Cross multiply
    449,218.64x = 619,905.48 × 248,010.32
  4. Step 4: Simplify right side
    449,218.64x = 153,742,956,464.55
  5. Step 5: Solve for x
    x = 153,742,956,464.55/449,218.64
  6. Step 6: Final answer
    x = 342,245.27

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1.5x scale

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.