Finding the Fourth Proportional to 292,751.23, 403,991.44 and 165,424.09
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Solution
The fourth proportional to 292,751.23, 403,991.44 and 165,424.09 is: 228,282.27
Step by Step Solution
- Step 1: Write the proportion equation
292,751.23 : 403,991.44 = 165,424.09 : x - Step 2: Convert to fraction form
292,751.23/403,991.44 = 165,424.09/x - Step 3: Cross multiply
292,751.23x = 403,991.44 × 165,424.09 - Step 4: Simplify right side
292,751.23x = 66,829,916,329.79 - Step 5: Solve for x
x = 66,829,916,329.79/292,751.23 - Step 6: Final answer
x = 228,282.27
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1.5x scale
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.