Finding the Fourth Proportional to 528,625.48, 793,093.74 and 212,919.88
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Solution
The fourth proportional to 528,625.48, 793,093.74 and 212,919.88 is: 319,442.46
Step by Step Solution
- Step 1: Write the proportion equation
528,625.48 : 793,093.74 = 212,919.88 : x - Step 2: Convert to fraction form
528,625.48/793,093.74 = 212,919.88/x - Step 3: Cross multiply
528,625.48x = 793,093.74 × 212,919.88 - Step 4: Simplify right side
528,625.48x = 168,865,423,949.55 - Step 5: Solve for x
x = 168,865,423,949.55/528,625.48 - Step 6: Final answer
x = 319,442.46
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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.