Finding the Fourth Proportional to 292,383.49, 403,489.15 and 165,059.08
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Solution
The fourth proportional to 292,383.49, 403,489.15 and 165,059.08 is: 227,781.49
Step by Step Solution
- Step 1: Write the proportion equation
292,383.49 : 403,489.15 = 165,059.08 : x - Step 2: Convert to fraction form
292,383.49/403,489.15 = 165,059.08/x - Step 3: Cross multiply
292,383.49x = 403,489.15 × 165,059.08 - Step 4: Simplify right side
292,383.49x = 66,599,547,888.98 - Step 5: Solve for x
x = 66,599,547,888.98/292,383.49 - Step 6: Final answer
x = 227,781.49
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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.