Finding the Fourth Proportional to 302,388.26, 417,292.45 and 211,711.12
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Solution
The fourth proportional to 302,388.26, 417,292.45 and 211,711.12 is: 292,159.00
Step by Step Solution
- Step 1: Write the proportion equation
302,388.26 : 417,292.45 = 211,711.12 : x - Step 2: Convert to fraction form
302,388.26/417,292.45 = 211,711.12/x - Step 3: Cross multiply
302,388.26x = 417,292.45 × 211,711.12 - Step 4: Simplify right side
302,388.26x = 88,345,450,384.54 - Step 5: Solve for x
x = 88,345,450,384.54/302,388.26 - Step 6: Final answer
x = 292,159.00
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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.