Finding the Fourth Proportional to 366,582.42, 505,739.37 and 228,681.09
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Solution
The fourth proportional to 366,582.42, 505,739.37 and 228,681.09 is: 315,489.84
Step by Step Solution
- Step 1: Write the proportion equation
366,582.42 : 505,739.37 = 228,681.09 : x - Step 2: Convert to fraction form
366,582.42/505,739.37 = 228,681.09/x - Step 3: Cross multiply
366,582.42x = 505,739.37 × 228,681.09 - Step 4: Simplify right side
366,582.42x = 115,653,030,387.51 - Step 5: Solve for x
x = 115,653,030,387.51/366,582.42 - Step 6: Final answer
x = 315,489.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.