Home / 448,012.28-618,276.30-254,416.07

Finding the Fourth Proportional to 448,012.28, 618,276.30 and 254,416.07

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Solution

The fourth proportional to 448,012.28, 618,276.30 and 254,416.07 is: 351,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,012.28 : 618,276.30 = 254,416.07 : x
  2. Step 2: Convert to fraction form
    448,012.28/618,276.30 = 254,416.07/x
  3. Step 3: Cross multiply
    448,012.28x = 618,276.30 × 254,416.07
  4. Step 4: Simplify right side
    448,012.28x = 157,299,426,420.14
  5. Step 5: Solve for x
    x = 157,299,426,420.14/448,012.28
  6. Step 6: Final answer
    x = 351,105.17

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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.