Finding the Fourth Proportional to 291,319.23, 402,027.99 and 163,999.29
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Solution
The fourth proportional to 291,319.23, 402,027.99 and 163,999.29 is: 226,323.22
Step by Step Solution
- Step 1: Write the proportion equation
291,319.23 : 402,027.99 = 163,999.29 : x - Step 2: Convert to fraction form
291,319.23/402,027.99 = 163,999.29/x - Step 3: Cross multiply
291,319.23x = 402,027.99 × 163,999.29 - Step 4: Simplify right side
291,319.23x = 65,932,304,920.13 - Step 5: Solve for x
x = 65,932,304,920.13/291,319.23 - Step 6: Final answer
x = 226,323.22
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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.