Home / 315,015.03-472,795.61-165,361.05

Finding the Fourth Proportional to 315,015.03, 472,795.61 and 165,361.05

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Solution

The fourth proportional to 315,015.03, 472,795.61 and 165,361.05 is: 248,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,015.03 : 472,795.61 = 165,361.05 : x
  2. Step 2: Convert to fraction form
    315,015.03/472,795.61 = 165,361.05/x
  3. Step 3: Cross multiply
    315,015.03x = 472,795.61 × 165,361.05
  4. Step 4: Simplify right side
    315,015.03x = 78,181,977,678.19
  5. Step 5: Solve for x
    x = 78,181,977,678.19/315,015.03
  6. Step 6: Final answer
    x = 248,184.91

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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.