Finding the Fourth Proportional to 406,495.08, 560,930.27 and 225,214.65
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Solution
The fourth proportional to 406,495.08, 560,930.27 and 225,214.65 is: 310,777.96
Step by Step Solution
- Step 1: Write the proportion equation
406,495.08 : 560,930.27 = 225,214.65 : x - Step 2: Convert to fraction form
406,495.08/560,930.27 = 225,214.65/x - Step 3: Cross multiply
406,495.08x = 560,930.27 × 225,214.65 - Step 4: Simplify right side
406,495.08x = 126,329,713,306.38 - Step 5: Solve for x
x = 126,329,713,306.38/406,495.08 - Step 6: Final answer
x = 310,777.96
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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.