Home / 449,209.64-619,905.06-245,258.81

Finding the Fourth Proportional to 449,209.64, 619,905.06 and 245,258.81

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Solution

The fourth proportional to 449,209.64, 619,905.06 and 245,258.81 is: 338,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,209.64 : 619,905.06 = 245,258.81 : x
  2. Step 2: Convert to fraction form
    449,209.64/619,905.06 = 245,258.81/x
  3. Step 3: Cross multiply
    449,209.64x = 619,905.06 × 245,258.81
  4. Step 4: Simplify right side
    449,209.64x = 152,037,177,328.58
  5. Step 5: Solve for x
    x = 152,037,177,328.58/449,209.64
  6. Step 6: Final answer
    x = 338,454.84

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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.