Finding the Fourth Proportional to 805,286, 1,207,929.24 and 236,667.08
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Solution
The fourth proportional to 805,286, 1,207,929.24 and 236,667.08 is: 355,000.69
Step by Step Solution
- Step 1: Write the proportion equation
805,286 : 1,207,929.24 = 236,667.08 : x - Step 2: Convert to fraction form
805,286/1,207,929.24 = 236,667.08/x - Step 3: Cross multiply
805,286x = 1,207,929.24 × 236,667.08 - Step 4: Simplify right side
805,286x = 285,877,086,077.42 - Step 5: Solve for x
x = 285,877,086,077.42/805,286 - Step 6: Final answer
x = 355,000.69
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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.