Finding the Fourth Proportional to 245,988.90, 339,342.21 and 165,419.82
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Solution
The fourth proportional to 245,988.90, 339,342.21 and 165,419.82 is: 228,196.99
Step by Step Solution
- Step 1: Write the proportion equation
245,988.90 : 339,342.21 = 165,419.82 : x - Step 2: Convert to fraction form
245,988.90/339,342.21 = 165,419.82/x - Step 3: Cross multiply
245,988.90x = 339,342.21 × 165,419.82 - Step 4: Simplify right side
245,988.90x = 56,133,927,296.60 - Step 5: Solve for x
x = 56,133,927,296.60/245,988.90 - Step 6: Final answer
x = 228,196.99
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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.