Finding the Fourth Proportional to 357,917.36, 535,707.80 and 263,122.44
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Solution
The fourth proportional to 357,917.36, 535,707.80 and 263,122.44 is: 393,824.83
Step by Step Solution
- Step 1: Write the proportion equation
357,917.36 : 535,707.80 = 263,122.44 : x - Step 2: Convert to fraction form
357,917.36/535,707.80 = 263,122.44/x - Step 3: Cross multiply
357,917.36x = 535,707.80 × 263,122.44 - Step 4: Simplify right side
357,917.36x = 140,956,742,147.42 - Step 5: Solve for x
x = 140,956,742,147.42/357,917.36 - Step 6: Final answer
x = 393,824.83
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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.