Finding the Fourth Proportional to 486,607.74, 671,528.76 and 271,748.01
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Solution
The fourth proportional to 486,607.74, 671,528.76 and 271,748.01 is: 375,017.88
Step by Step Solution
- Step 1: Write the proportion equation
486,607.74 : 671,528.76 = 271,748.01 : x - Step 2: Convert to fraction form
486,607.74/671,528.76 = 271,748.01/x - Step 3: Cross multiply
486,607.74x = 671,528.76 × 271,748.01 - Step 4: Simplify right side
486,607.74x = 182,486,604,187.77 - Step 5: Solve for x
x = 182,486,604,187.77/486,607.74 - Step 6: Final answer
x = 375,017.88
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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.