Finding the Fourth Proportional to 343,447.26, 473,940.36 and 190,473.48
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Solution
The fourth proportional to 343,447.26, 473,940.36 and 190,473.48 is: 262,844.05
Step by Step Solution
- Step 1: Write the proportion equation
343,447.26 : 473,940.36 = 190,473.48 : x - Step 2: Convert to fraction form
343,447.26/473,940.36 = 190,473.48/x - Step 3: Cross multiply
343,447.26x = 473,940.36 × 190,473.48 - Step 4: Simplify right side
343,447.26x = 90,273,069,681.65 - Step 5: Solve for x
x = 90,273,069,681.65/343,447.26 - Step 6: Final answer
x = 262,844.05
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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.