Finding the Fourth Proportional to 235,706.34, 325,268.52 and 128,274.08
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Solution
The fourth proportional to 235,706.34, 325,268.52 and 128,274.08 is: 177,014.83
Step by Step Solution
- Step 1: Write the proportion equation
235,706.34 : 325,268.52 = 128,274.08 : x - Step 2: Convert to fraction form
235,706.34/325,268.52 = 128,274.08/x - Step 3: Cross multiply
235,706.34x = 325,268.52 × 128,274.08 - Step 4: Simplify right side
235,706.34x = 41,723,518,048.59 - Step 5: Solve for x
x = 41,723,518,048.59/235,706.34 - Step 6: Final answer
x = 177,014.83
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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.