Finding the Fourth Proportional to 291,310.24, 401,998.80 and 163,968.52
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Solution
The fourth proportional to 291,310.24, 401,998.80 and 163,968.52 is: 226,271.31
Step by Step Solution
- Step 1: Write the proportion equation
291,310.24 : 401,998.80 = 163,968.52 : x - Step 2: Convert to fraction form
291,310.24/401,998.80 = 163,968.52/x - Step 3: Cross multiply
291,310.24x = 401,998.80 × 163,968.52 - Step 4: Simplify right side
291,310.24x = 65,915,148,277.78 - Step 5: Solve for x
x = 65,915,148,277.78/291,310.24 - Step 6: Final answer
x = 226,271.31
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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.