Finding the Fourth Proportional to 453,926.94, 680,802.75 and 138,415.74
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Solution
The fourth proportional to 453,926.94, 680,802.75 and 138,415.74 is: 207,596.88
Step by Step Solution
- Step 1: Write the proportion equation
453,926.94 : 680,802.75 = 138,415.74 : x - Step 2: Convert to fraction form
453,926.94/680,802.75 = 138,415.74/x - Step 3: Cross multiply
453,926.94x = 680,802.75 × 138,415.74 - Step 4: Simplify right side
453,926.94x = 94,233,816,435.29 - Step 5: Solve for x
x = 94,233,816,435.29/453,926.94 - Step 6: Final answer
x = 207,596.88
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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.