Finding the Fourth Proportional to 170,319.36, 235,040.80 and 98,740.96
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Solution
The fourth proportional to 170,319.36, 235,040.80 and 98,740.96 is: 136,262.57
Step by Step Solution
- Step 1: Write the proportion equation
170,319.36 : 235,040.80 = 98,740.96 : x - Step 2: Convert to fraction form
170,319.36/235,040.80 = 98,740.96/x - Step 3: Cross multiply
170,319.36x = 235,040.80 × 98,740.96 - Step 4: Simplify right side
170,319.36x = 23,208,154,231.17 - Step 5: Solve for x
x = 23,208,154,231.17/170,319.36 - Step 6: Final answer
x = 136,262.57
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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.