Finding the Fourth Proportional to 374,943.48, 517,420.14 and 205,176.12
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Solution
The fourth proportional to 374,943.48, 517,420.14 and 205,176.12 is: 283,142.03
Step by Step Solution
- Step 1: Write the proportion equation
374,943.48 : 517,420.14 = 205,176.12 : x - Step 2: Convert to fraction form
374,943.48/517,420.14 = 205,176.12/x - Step 3: Cross multiply
374,943.48x = 517,420.14 × 205,176.12 - Step 4: Simplify right side
374,943.48x = 106,162,256,735.06 - Step 5: Solve for x
x = 106,162,256,735.06/374,943.48 - Step 6: Final answer
x = 283,142.03
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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.