Home / 305,015.04-457,410.24-105,284.16

Finding the Fourth Proportional to 305,015.04, 457,410.24 and 105,284.16

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Solution

The fourth proportional to 305,015.04, 457,410.24 and 105,284.16 is: 157,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,015.04 : 457,410.24 = 105,284.16 : x
  2. Step 2: Convert to fraction form
    305,015.04/457,410.24 = 105,284.16/x
  3. Step 3: Cross multiply
    305,015.04x = 457,410.24 × 105,284.16
  4. Step 4: Simplify right side
    305,015.04x = 48,158,052,893.80
  5. Step 5: Solve for x
    x = 48,158,052,893.80/305,015.04
  6. Step 6: Final answer
    x = 157,887.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.