Finding the Fourth Proportional to 453,781.84, 680,678.23 and 138,241.48
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Solution
The fourth proportional to 453,781.84, 680,678.23 and 138,241.48 is: 207,363.88
Step by Step Solution
- Step 1: Write the proportion equation
453,781.84 : 680,678.23 = 138,241.48 : x - Step 2: Convert to fraction form
453,781.84/680,678.23 = 138,241.48/x - Step 3: Cross multiply
453,781.84x = 680,678.23 × 138,241.48 - Step 4: Simplify right side
453,781.84x = 94,097,965,227.77 - Step 5: Solve for x
x = 94,097,965,227.77/453,781.84 - Step 6: Final answer
x = 207,363.88
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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.