Finding the Fourth Proportional to 226,376.30, 312,269.19 and 141,345.74
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Solution
The fourth proportional to 226,376.30, 312,269.19 and 141,345.74 is: 194,975.88
Step by Step Solution
- Step 1: Write the proportion equation
226,376.30 : 312,269.19 = 141,345.74 : x - Step 2: Convert to fraction form
226,376.30/312,269.19 = 141,345.74/x - Step 3: Cross multiply
226,376.30x = 312,269.19 × 141,345.74 - Step 4: Simplify right side
226,376.30x = 44,137,918,178.40 - Step 5: Solve for x
x = 44,137,918,178.40/226,376.30 - Step 6: Final answer
x = 194,975.88
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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.