Finding the Fourth Proportional to 424,532.14, 636,668.59 and 120,951.09
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Solution
The fourth proportional to 424,532.14, 636,668.59 and 120,951.09 is: 181,389.71
Step by Step Solution
- Step 1: Write the proportion equation
424,532.14 : 636,668.59 = 120,951.09 : x - Step 2: Convert to fraction form
424,532.14/636,668.59 = 120,951.09/x - Step 3: Cross multiply
424,532.14x = 636,668.59 × 120,951.09 - Step 4: Simplify right side
424,532.14x = 77,005,759,929.26 - Step 5: Solve for x
x = 77,005,759,929.26/424,532.14 - Step 6: Final answer
x = 181,389.71
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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.