Finding the Fourth Proportional to 292,019.09, 402,986.30 and 157,883.09
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Solution
The fourth proportional to 292,019.09, 402,986.30 and 157,883.09 is: 217,878.63
Step by Step Solution
- Step 1: Write the proportion equation
292,019.09 : 402,986.30 = 157,883.09 : x - Step 2: Convert to fraction form
292,019.09/402,986.30 = 157,883.09/x - Step 3: Cross multiply
292,019.09x = 402,986.30 × 157,883.09 - Step 4: Simplify right side
292,019.09x = 63,624,719,467.32 - Step 5: Solve for x
x = 63,624,719,467.32/292,019.09 - Step 6: Final answer
x = 217,878.63
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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.