Finding the Fourth Proportional to 453,101.49, 679,608.36 and 137,561.13
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Solution
The fourth proportional to 453,101.49, 679,608.36 and 137,561.13 is: 206,328.37
Step by Step Solution
- Step 1: Write the proportion equation
453,101.49 : 679,608.36 = 137,561.13 : x - Step 2: Convert to fraction form
453,101.49/679,608.36 = 137,561.13/x - Step 3: Cross multiply
453,101.49x = 679,608.36 × 137,561.13 - Step 4: Simplify right side
453,101.49x = 93,487,693,959.05 - Step 5: Solve for x
x = 93,487,693,959.05/453,101.49 - Step 6: Final answer
x = 206,328.37
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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.