Finding the Fourth Proportional to 383,154.54, 528,753.08 and 222,102.92
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Solution
The fourth proportional to 383,154.54, 528,753.08 and 222,102.92 is: 306,501.92
Step by Step Solution
- Step 1: Write the proportion equation
383,154.54 : 528,753.08 = 222,102.92 : x - Step 2: Convert to fraction form
383,154.54/528,753.08 = 222,102.92/x - Step 3: Cross multiply
383,154.54x = 528,753.08 × 222,102.92 - Step 4: Simplify right side
383,154.54x = 117,437,603,026.99 - Step 5: Solve for x
x = 117,437,603,026.99/383,154.54 - Step 6: Final answer
x = 306,501.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.