Home / 315,795.77-472,844.82-240,557.51

Finding the Fourth Proportional to 315,795.77, 472,844.82 and 240,557.51

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Solution

The fourth proportional to 315,795.77, 472,844.82 and 240,557.51 is: 360,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,795.77 : 472,844.82 = 240,557.51 : x
  2. Step 2: Convert to fraction form
    315,795.77/472,844.82 = 240,557.51/x
  3. Step 3: Cross multiply
    315,795.77x = 472,844.82 × 240,557.51
  4. Step 4: Simplify right side
    315,795.77x = 113,746,372,515.60
  5. Step 5: Solve for x
    x = 113,746,372,515.60/315,795.77
  6. Step 6: Final answer
    x = 360,189.66

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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.