Finding the Fourth Proportional to 304,852.72, 420,711.84 and 183,992.08
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Solution
The fourth proportional to 304,852.72, 420,711.84 and 183,992.08 is: 253,918.18
Step by Step Solution
- Step 1: Write the proportion equation
304,852.72 : 420,711.84 = 183,992.08 : x - Step 2: Convert to fraction form
304,852.72/420,711.84 = 183,992.08/x - Step 3: Cross multiply
304,852.72x = 420,711.84 × 183,992.08 - Step 4: Simplify right side
304,852.72x = 77,407,646,522.23 - Step 5: Solve for x
x = 77,407,646,522.23/304,852.72 - Step 6: Final answer
x = 253,918.18
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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.