Home / 450,119.36-621,157.20-248,915.36

Finding the Fourth Proportional to 450,119.36, 621,157.20 and 248,915.36

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Solution

The fourth proportional to 450,119.36, 621,157.20 and 248,915.36 is: 343,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,119.36 : 621,157.20 = 248,915.36 : x
  2. Step 2: Convert to fraction form
    450,119.36/621,157.20 = 248,915.36/x
  3. Step 3: Cross multiply
    450,119.36x = 621,157.20 × 248,915.36
  4. Step 4: Simplify right side
    450,119.36x = 154,615,568,054.59
  5. Step 5: Solve for x
    x = 154,615,568,054.59/450,119.36
  6. Step 6: Final answer
    x = 343,499.04

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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.