Finding the Fourth Proportional to 374,676.84, 517,035.35 and 213,538.68
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Solution
The fourth proportional to 374,676.84, 517,035.35 and 213,538.68 is: 294,672.73
Step by Step Solution
- Step 1: Write the proportion equation
374,676.84 : 517,035.35 = 213,538.68 : x - Step 2: Convert to fraction form
374,676.84/517,035.35 = 213,538.68/x - Step 3: Cross multiply
374,676.84x = 517,035.35 × 213,538.68 - Step 4: Simplify right side
374,676.84x = 110,407,046,686.19 - Step 5: Solve for x
x = 110,407,046,686.19/374,676.84 - Step 6: Final answer
x = 294,672.73
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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.