Home / 258,821.56-388,232.32-118,580.16

Finding the Fourth Proportional to 258,821.56, 388,232.32 and 118,580.16

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Solution

The fourth proportional to 258,821.56, 388,232.32 and 118,580.16 is: 177,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,821.56 : 388,232.32 = 118,580.16 : x
  2. Step 2: Convert to fraction form
    258,821.56/388,232.32 = 118,580.16/x
  3. Step 3: Cross multiply
    258,821.56x = 388,232.32 × 118,580.16
  4. Step 4: Simplify right side
    258,821.56x = 46,036,650,622.77
  5. Step 5: Solve for x
    x = 46,036,650,622.77/258,821.56
  6. Step 6: Final answer
    x = 177,870.23

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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.