Finding the Fourth Proportional to 286,377.36, 395,177.56 and 165,526.44
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Solution
The fourth proportional to 286,377.36, 395,177.56 and 165,526.44 is: 228,413.08
Step by Step Solution
- Step 1: Write the proportion equation
286,377.36 : 395,177.56 = 165,526.44 : x - Step 2: Convert to fraction form
286,377.36/395,177.56 = 165,526.44/x - Step 3: Cross multiply
286,377.36x = 395,177.56 × 165,526.44 - Step 4: Simplify right side
286,377.36x = 65,412,334,674.69 - Step 5: Solve for x
x = 65,412,334,674.69/286,377.36 - Step 6: Final answer
x = 228,413.08
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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.