Finding the Fourth Proportional to 263,698.58, 395,558.79 and 76,710.08
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Solution
The fourth proportional to 263,698.58, 395,558.79 and 76,710.08 is: 115,068.29
Step by Step Solution
- Step 1: Write the proportion equation
263,698.58 : 395,558.79 = 76,710.08 : x - Step 2: Convert to fraction form
263,698.58/395,558.79 = 76,710.08/x - Step 3: Cross multiply
263,698.58x = 395,558.79 × 76,710.08 - Step 4: Simplify right side
263,698.58x = 30,343,344,447.81 - Step 5: Solve for x
x = 30,343,344,447.81/263,698.58 - Step 6: Final answer
x = 115,068.29
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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.