Finding the Fourth Proportional to 170,456.36, 235,177.65 and 98,822.09
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Solution
The fourth proportional to 170,456.36, 235,177.65 and 98,822.09 is: 136,344.26
Step by Step Solution
- Step 1: Write the proportion equation
170,456.36 : 235,177.65 = 98,822.09 : x - Step 2: Convert to fraction form
170,456.36/235,177.65 = 98,822.09/x - Step 3: Cross multiply
170,456.36x = 235,177.65 × 98,822.09 - Step 4: Simplify right side
170,456.36x = 23,240,746,894.29 - Step 5: Solve for x
x = 23,240,746,894.29/170,456.36 - Step 6: Final answer
x = 136,344.26
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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.