Finding the Fourth Proportional to 304,747.05, 420,554.01 and 183,864.98
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Solution
The fourth proportional to 304,747.05, 420,554.01 and 183,864.98 is: 253,735.53
Step by Step Solution
- Step 1: Write the proportion equation
304,747.05 : 420,554.01 = 183,864.98 : x - Step 2: Convert to fraction form
304,747.05/420,554.01 = 183,864.98/x - Step 3: Cross multiply
304,747.05x = 420,554.01 × 183,864.98 - Step 4: Simplify right side
304,747.05x = 77,325,153,973.64 - Step 5: Solve for x
x = 77,325,153,973.64/304,747.05 - Step 6: Final answer
x = 253,735.53
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1.5x scale
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.