Finding the Fourth Proportional to 383,526.29, 529,269.99 and 211,451.10
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Solution
The fourth proportional to 383,526.29, 529,269.99 and 211,451.10 is: 291,804.56
Step by Step Solution
- Step 1: Write the proportion equation
383,526.29 : 529,269.99 = 211,451.10 : x - Step 2: Convert to fraction form
383,526.29/529,269.99 = 211,451.10/x - Step 3: Cross multiply
383,526.29x = 529,269.99 × 211,451.10 - Step 4: Simplify right side
383,526.29x = 111,914,721,582.49 - Step 5: Solve for x
x = 111,914,721,582.49/383,526.29 - Step 6: Final answer
x = 291,804.56
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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.