Finding the Fourth Proportional to 170,387.10, 235,135.16 and 98,809.62
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Solution
The fourth proportional to 170,387.10, 235,135.16 and 98,809.62 is: 136,357.83
Step by Step Solution
- Step 1: Write the proportion equation
170,387.10 : 235,135.16 = 98,809.62 : x - Step 2: Convert to fraction form
170,387.10/235,135.16 = 98,809.62/x - Step 3: Cross multiply
170,387.10x = 235,135.16 × 98,809.62 - Step 4: Simplify right side
170,387.10x = 23,233,615,314.19 - Step 5: Solve for x
x = 23,233,615,314.19/170,387.10 - Step 6: Final answer
x = 136,357.83
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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.