Finding the Fourth Proportional to 478,166.24, 659,848.06 and 274,070.82
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Solution
The fourth proportional to 478,166.24, 659,848.06 and 274,070.82 is: 378,205.49
Step by Step Solution
- Step 1: Write the proportion equation
478,166.24 : 659,848.06 = 274,070.82 : x - Step 2: Convert to fraction form
478,166.24/659,848.06 = 274,070.82/x - Step 3: Cross multiply
478,166.24x = 659,848.06 × 274,070.82 - Step 4: Simplify right side
478,166.24x = 180,845,098,879.61 - Step 5: Solve for x
x = 180,845,098,879.61/478,166.24 - Step 6: Final answer
x = 378,205.49
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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.