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Finding the Fourth Proportional to 254,064.60, 350,448.12 and 163,264.32

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Solution

The fourth proportional to 254,064.60, 350,448.12 and 163,264.32 is: 225,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,064.60 : 350,448.12 = 163,264.32 : x
  2. Step 2: Convert to fraction form
    254,064.60/350,448.12 = 163,264.32/x
  3. Step 3: Cross multiply
    254,064.60x = 350,448.12 × 163,264.32
  4. Step 4: Simplify right side
    254,064.60x = 57,215,674,007.08
  5. Step 5: Solve for x
    x = 57,215,674,007.08/254,064.60
  6. Step 6: Final answer
    x = 225,201.28

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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.