Finding the Fourth Proportional to 304,817.58, 420,853.77 and 190,270.68
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Solution
The fourth proportional to 304,817.58, 420,853.77 and 190,270.68 is: 262,701.82
Step by Step Solution
- Step 1: Write the proportion equation
304,817.58 : 420,853.77 = 190,270.68 : x - Step 2: Convert to fraction form
304,817.58/420,853.77 = 190,270.68/x - Step 3: Cross multiply
304,817.58x = 420,853.77 × 190,270.68 - Step 4: Simplify right side
304,817.58x = 80,076,132,998.46 - Step 5: Solve for x
x = 80,076,132,998.46/304,817.58 - Step 6: Final answer
x = 262,701.82
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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.