Home / 449,217.64-619,904.10-248,009.32

Finding the Fourth Proportional to 449,217.64, 619,904.10 and 248,009.32

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Solution

The fourth proportional to 449,217.64, 619,904.10 and 248,009.32 is: 342,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,217.64 : 619,904.10 = 248,009.32 : x
  2. Step 2: Convert to fraction form
    449,217.64/619,904.10 = 248,009.32/x
  3. Step 3: Cross multiply
    449,217.64x = 619,904.10 × 248,009.32
  4. Step 4: Simplify right side
    449,217.64x = 153,741,994,306.21
  5. Step 5: Solve for x
    x = 153,741,994,306.21/449,217.64
  6. Step 6: Final answer
    x = 342,243.89

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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.