Finding the Fourth Proportional to 885,514.21, 1,328,138.88 and 245,750.50
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Solution
The fourth proportional to 885,514.21, 1,328,138.88 and 245,750.50 is: 368,589.00
Step by Step Solution
- Step 1: Write the proportion equation
885,514.21 : 1,328,138.88 = 245,750.50 : x - Step 2: Convert to fraction form
885,514.21/1,328,138.88 = 245,750.50/x - Step 3: Cross multiply
885,514.21x = 1,328,138.88 × 245,750.50 - Step 4: Simplify right side
885,514.21x = 326,390,793,829.44 - Step 5: Solve for x
x = 326,390,793,829.44/885,514.21 - Step 6: Final answer
x = 368,589.00
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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.