Finding the Fourth Proportional to 343,369.42, 473,841.05 and 190,405.17
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Solution
The fourth proportional to 343,369.42, 473,841.05 and 190,405.17 is: 262,754.28
Step by Step Solution
- Step 1: Write the proportion equation
343,369.42 : 473,841.05 = 190,405.17 : x - Step 2: Convert to fraction form
343,369.42/473,841.05 = 190,405.17/x - Step 3: Cross multiply
343,369.42x = 473,841.05 × 190,405.17 - Step 4: Simplify right side
343,369.42x = 90,221,785,678.23 - Step 5: Solve for x
x = 90,221,785,678.23/343,369.42 - Step 6: Final answer
x = 262,754.28
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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.