Finding the Fourth Proportional to 170,914.16, 235,860.20 and 99,336.08
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Solution
The fourth proportional to 170,914.16, 235,860.20 and 99,336.08 is: 137,083.01
Step by Step Solution
- Step 1: Write the proportion equation
170,914.16 : 235,860.20 = 99,336.08 : x - Step 2: Convert to fraction form
170,914.16/235,860.20 = 99,336.08/x - Step 3: Cross multiply
170,914.16x = 235,860.20 × 99,336.08 - Step 4: Simplify right side
170,914.16x = 23,429,427,696.02 - Step 5: Solve for x
x = 23,429,427,696.02/170,914.16 - Step 6: Final answer
x = 137,083.01
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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.