Finding the Fourth Proportional to 292,988.76, 404,326.50 and 170,554.08
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Solution
The fourth proportional to 292,988.76, 404,326.50 and 170,554.08 is: 235,365.80
Step by Step Solution
- Step 1: Write the proportion equation
292,988.76 : 404,326.50 = 170,554.08 : x - Step 2: Convert to fraction form
292,988.76/404,326.50 = 170,554.08/x - Step 3: Cross multiply
292,988.76x = 404,326.50 × 170,554.08 - Step 4: Simplify right side
292,988.76x = 68,959,534,227.12 - Step 5: Solve for x
x = 68,959,534,227.12/292,988.76 - Step 6: Final answer
x = 235,365.80
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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.