Finding the Fourth Proportional to 497,960.08, 687,243.09 and 283,132.42
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Solution
The fourth proportional to 497,960.08, 687,243.09 and 283,132.42 is: 390,755.82
Step by Step Solution
- Step 1: Write the proportion equation
497,960.08 : 687,243.09 = 283,132.42 : x - Step 2: Convert to fraction form
497,960.08/687,243.09 = 283,132.42/x - Step 3: Cross multiply
497,960.08x = 687,243.09 × 283,132.42 - Step 4: Simplify right side
497,960.08x = 194,580,799,199.98 - Step 5: Solve for x
x = 194,580,799,199.98/497,960.08 - Step 6: Final answer
x = 390,755.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.