Finding the Fourth Proportional to 512,984.19, 769,514.96 and 153,126.62
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Solution
The fourth proportional to 512,984.19, 769,514.96 and 153,126.62 is: 229,701.47
Step by Step Solution
- Step 1: Write the proportion equation
512,984.19 : 769,514.96 = 153,126.62 : x - Step 2: Convert to fraction form
512,984.19/769,514.96 = 153,126.62/x - Step 3: Cross multiply
512,984.19x = 769,514.96 × 153,126.62 - Step 4: Simplify right side
512,984.19x = 117,833,221,980.98 - Step 5: Solve for x
x = 117,833,221,980.98/512,984.19 - Step 6: Final answer
x = 229,701.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.