Finding the Fourth Proportional to 278,950.48, 418,402.02 and 110,424.98
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Solution
The fourth proportional to 278,950.48, 418,402.02 and 110,424.98 is: 165,628.09
Step by Step Solution
- Step 1: Write the proportion equation
278,950.48 : 418,402.02 = 110,424.98 : x - Step 2: Convert to fraction form
278,950.48/418,402.02 = 110,424.98/x - Step 3: Cross multiply
278,950.48x = 418,402.02 × 110,424.98 - Step 4: Simplify right side
278,950.48x = 46,202,034,690.46 - Step 5: Solve for x
x = 46,202,034,690.46/278,950.48 - Step 6: Final answer
x = 165,628.09
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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.