Finding the Fourth Proportional to 397,946.99, 549,531.74 and 252,799.65
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Solution
The fourth proportional to 397,946.99, 549,531.74 and 252,799.65 is: 349,095.32
Step by Step Solution
- Step 1: Write the proportion equation
397,946.99 : 549,531.74 = 252,799.65 : x - Step 2: Convert to fraction form
397,946.99/549,531.74 = 252,799.65/x - Step 3: Cross multiply
397,946.99x = 549,531.74 × 252,799.65 - Step 4: Simplify right side
397,946.99x = 138,921,432,167.89 - Step 5: Solve for x
x = 138,921,432,167.89/397,946.99 - Step 6: Final answer
x = 349,095.32
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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.