Finding the Fourth Proportional to 343,474.68, 473,971.32 and 190,498.44
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Solution
The fourth proportional to 343,474.68, 473,971.32 and 190,498.44 is: 262,874.68
Step by Step Solution
- Step 1: Write the proportion equation
343,474.68 : 473,971.32 = 190,498.44 : x - Step 2: Convert to fraction form
343,474.68/473,971.32 = 190,498.44/x - Step 3: Cross multiply
343,474.68x = 473,971.32 × 190,498.44 - Step 4: Simplify right side
343,474.68x = 90,290,797,064.74 - Step 5: Solve for x
x = 90,290,797,064.74/343,474.68 - Step 6: Final answer
x = 262,874.68
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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.