Finding the Fourth Proportional to 346,939.08, 478,794.26 and 210,950.52
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Solution
The fourth proportional to 346,939.08, 478,794.26 and 210,950.52 is: 291,122.86
Step by Step Solution
- Step 1: Write the proportion equation
346,939.08 : 478,794.26 = 210,950.52 : x - Step 2: Convert to fraction form
346,939.08/478,794.26 = 210,950.52/x - Step 3: Cross multiply
346,939.08x = 478,794.26 × 210,950.52 - Step 4: Simplify right side
346,939.08x = 101,001,898,120.02 - Step 5: Solve for x
x = 101,001,898,120.02/346,939.08 - Step 6: Final answer
x = 291,122.86
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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.