Finding the Fourth Proportional to 343,239.12, 473,663.97 and 190,276.56
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Solution
The fourth proportional to 343,239.12, 473,663.97 and 190,276.56 is: 262,578.32
Step by Step Solution
- Step 1: Write the proportion equation
343,239.12 : 473,663.97 = 190,276.56 : x - Step 2: Convert to fraction form
343,239.12/473,663.97 = 190,276.56/x - Step 3: Cross multiply
343,239.12x = 473,663.97 × 190,276.56 - Step 4: Simplify right side
343,239.12x = 90,127,150,807.54 - Step 5: Solve for x
x = 90,127,150,807.54/343,239.12 - Step 6: Final answer
x = 262,578.32
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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.