Finding the Fourth Proportional to 438,594.35, 605,356.13 and 277,663.95
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Solution
The fourth proportional to 438,594.35, 605,356.13 and 277,663.95 is: 383,236.99
Step by Step Solution
- Step 1: Write the proportion equation
438,594.35 : 605,356.13 = 277,663.95 : x - Step 2: Convert to fraction form
438,594.35/605,356.13 = 277,663.95/x - Step 3: Cross multiply
438,594.35x = 605,356.13 × 277,663.95 - Step 4: Simplify right side
438,594.35x = 168,085,574,906.67 - Step 5: Solve for x
x = 168,085,574,906.67/438,594.35 - Step 6: Final answer
x = 383,236.99
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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.