Finding the Fourth Proportional to 180,218.19, 248,696.67 and 99,643.65
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Solution
The fourth proportional to 180,218.19, 248,696.67 and 99,643.65 is: 137,505.79
Step by Step Solution
- Step 1: Write the proportion equation
180,218.19 : 248,696.67 = 99,643.65 : x - Step 2: Convert to fraction form
180,218.19/248,696.67 = 99,643.65/x - Step 3: Cross multiply
180,218.19x = 248,696.67 × 99,643.65 - Step 4: Simplify right side
180,218.19x = 24,781,043,941.65 - Step 5: Solve for x
x = 24,781,043,941.65/180,218.19 - Step 6: Final answer
x = 137,505.79
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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.