Finding the Fourth Proportional to 453,112.99, 679,625.61 and 137,572.63
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Solution
The fourth proportional to 453,112.99, 679,625.61 and 137,572.63 is: 206,345.62
Step by Step Solution
- Step 1: Write the proportion equation
453,112.99 : 679,625.61 = 137,572.63 : x - Step 2: Convert to fraction form
453,112.99/679,625.61 = 137,572.63/x - Step 3: Cross multiply
453,112.99x = 679,625.61 × 137,572.63 - Step 4: Simplify right side
453,112.99x = 93,497,882,583.05 - Step 5: Solve for x
x = 93,497,882,583.05/453,112.99 - Step 6: Final answer
x = 206,345.62
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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.