Finding the Fourth Proportional to 346,840.93, 478,701.39 and 201,691.63
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Solution
The fourth proportional to 346,840.93, 478,701.39 and 201,691.63 is: 278,369.87
Step by Step Solution
- Step 1: Write the proportion equation
346,840.93 : 478,701.39 = 201,691.63 : x - Step 2: Convert to fraction form
346,840.93/478,701.39 = 201,691.63/x - Step 3: Cross multiply
346,840.93x = 478,701.39 × 201,691.63 - Step 4: Simplify right side
346,840.93x = 96,550,063,632.37 - Step 5: Solve for x
x = 96,550,063,632.37/346,840.93 - Step 6: Final answer
x = 278,369.87
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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.