Finding the Fourth Proportional to 236,517.98, 326,390.19 and 129,088.79
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Solution
The fourth proportional to 236,517.98, 326,390.19 and 129,088.79 is: 178,140.00
Step by Step Solution
- Step 1: Write the proportion equation
236,517.98 : 326,390.19 = 129,088.79 : x - Step 2: Convert to fraction form
236,517.98/326,390.19 = 129,088.79/x - Step 3: Cross multiply
236,517.98x = 326,390.19 × 129,088.79 - Step 4: Simplify right side
236,517.98x = 42,133,312,815.57 - Step 5: Solve for x
x = 42,133,312,815.57/236,517.98 - Step 6: Final answer
x = 178,140.00
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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.