Finding the Fourth Proportional to 442,163.08, 610,011.84 and 272,101.96
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Solution
The fourth proportional to 442,163.08, 610,011.84 and 272,101.96 is: 375,394.11
Step by Step Solution
- Step 1: Write the proportion equation
442,163.08 : 610,011.84 = 272,101.96 : x - Step 2: Convert to fraction form
442,163.08/610,011.84 = 272,101.96/x - Step 3: Cross multiply
442,163.08x = 610,011.84 × 272,101.96 - Step 4: Simplify right side
442,163.08x = 165,985,417,287.21 - Step 5: Solve for x
x = 165,985,417,287.21/442,163.08 - Step 6: Final answer
x = 375,394.11
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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.