Finding the Fourth Proportional to 383,219.37, 528,802.29 and 222,124.95
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Solution
The fourth proportional to 383,219.37, 528,802.29 and 222,124.95 is: 306,508.99
Step by Step Solution
- Step 1: Write the proportion equation
383,219.37 : 528,802.29 = 222,124.95 : x - Step 2: Convert to fraction form
383,219.37/528,802.29 = 222,124.95/x - Step 3: Cross multiply
383,219.37x = 528,802.29 × 222,124.95 - Step 4: Simplify right side
383,219.37x = 117,460,182,226.14 - Step 5: Solve for x
x = 117,460,182,226.14/383,219.37 - Step 6: Final answer
x = 306,508.99
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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.