Home / 448,011.28-618,274.92-254,415.07

Finding the Fourth Proportional to 448,011.28, 618,274.92 and 254,415.07

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Solution

The fourth proportional to 448,011.28, 618,274.92 and 254,415.07 is: 351,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,011.28 : 618,274.92 = 254,415.07 : x
  2. Step 2: Convert to fraction form
    448,011.28/618,274.92 = 254,415.07/x
  3. Step 3: Cross multiply
    448,011.28x = 618,274.92 × 254,415.07
  4. Step 4: Simplify right side
    448,011.28x = 157,298,457,051.04
  5. Step 5: Solve for x
    x = 157,298,457,051.04/448,011.28
  6. Step 6: Final answer
    x = 351,103.79

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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.