Finding the Fourth Proportional to 304,814.10, 420,848.93 and 190,267.20
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Solution
The fourth proportional to 304,814.10, 420,848.93 and 190,267.20 is: 262,696.99
Step by Step Solution
- Step 1: Write the proportion equation
304,814.10 : 420,848.93 = 190,267.20 : x - Step 2: Convert to fraction form
304,814.10/420,848.93 = 190,267.20/x - Step 3: Cross multiply
304,814.10x = 420,848.93 × 190,267.20 - Step 4: Simplify right side
304,814.10x = 80,073,747,534.10 - Step 5: Solve for x
x = 80,073,747,534.10/304,814.10 - Step 6: Final answer
x = 262,696.99
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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.