Finding the Fourth Proportional to 417,135.05, 625,888.65 and 192,374.84
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Solution
The fourth proportional to 417,135.05, 625,888.65 and 192,374.84 is: 288,648.07
Step by Step Solution
- Step 1: Write the proportion equation
417,135.05 : 625,888.65 = 192,374.84 : x - Step 2: Convert to fraction form
417,135.05/625,888.65 = 192,374.84/x - Step 3: Cross multiply
417,135.05x = 625,888.65 × 192,374.84 - Step 4: Simplify right side
417,135.05x = 120,405,228,901.57 - Step 5: Solve for x
x = 120,405,228,901.57/417,135.05 - Step 6: Final answer
x = 288,648.07
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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.