Finding the Fourth Proportional to 304,383.74, 420,218.48 and 183,555.63
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Solution
The fourth proportional to 304,383.74, 420,218.48 and 183,555.63 is: 253,408.64
Step by Step Solution
- Step 1: Write the proportion equation
304,383.74 : 420,218.48 = 183,555.63 : x - Step 2: Convert to fraction form
304,383.74/420,218.48 = 183,555.63/x - Step 3: Cross multiply
304,383.74x = 420,218.48 × 183,555.63 - Step 4: Simplify right side
304,383.74x = 77,133,468,292.93 - Step 5: Solve for x
x = 77,133,468,292.93/304,383.74 - Step 6: Final answer
x = 253,408.64
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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.