Finding the Fourth Proportional to 406,341.08, 609,636.42 and 181,890.68
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Solution
The fourth proportional to 406,341.08, 609,636.42 and 181,890.68 is: 272,891.88
Step by Step Solution
- Step 1: Write the proportion equation
406,341.08 : 609,636.42 = 181,890.68 : x - Step 2: Convert to fraction form
406,341.08/609,636.42 = 181,890.68/x - Step 3: Cross multiply
406,341.08x = 609,636.42 × 181,890.68 - Step 4: Simplify right side
406,341.08x = 110,887,182,986.57 - Step 5: Solve for x
x = 110,887,182,986.57/406,341.08 - Step 6: Final answer
x = 272,891.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.