Finding the Fourth Proportional to 304,741.14, 420,403.17 and 197,345.79
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Solution
The fourth proportional to 304,741.14, 420,403.17 and 197,345.79 is: 272,246.79
Step by Step Solution
- Step 1: Write the proportion equation
304,741.14 : 420,403.17 = 197,345.79 : x - Step 2: Convert to fraction form
304,741.14/420,403.17 = 197,345.79/x - Step 3: Cross multiply
304,741.14x = 420,403.17 × 197,345.79 - Step 4: Simplify right side
304,741.14x = 82,964,795,702.15 - Step 5: Solve for x
x = 82,964,795,702.15/304,741.14 - Step 6: Final answer
x = 272,246.79
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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.