Finding the Fourth Proportional to 170,585.49, 235,409.54 and 98,966.73
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Solution
The fourth proportional to 170,585.49, 235,409.54 and 98,966.73 is: 136,574.99
Step by Step Solution
- Step 1: Write the proportion equation
170,585.49 : 235,409.54 = 98,966.73 : x - Step 2: Convert to fraction form
170,585.49/235,409.54 = 98,966.73/x - Step 3: Cross multiply
170,585.49x = 235,409.54 × 98,966.73 - Step 4: Simplify right side
170,585.49x = 23,297,711,889.77 - Step 5: Solve for x
x = 23,297,711,889.77/170,585.49 - Step 6: Final answer
x = 136,574.99
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1.5x scale
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.