Finding the Fourth Proportional to 374,720.99, 517,101.98 and 213,627.92
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Solution
The fourth proportional to 374,720.99, 517,101.98 and 213,627.92 is: 294,799.12
Step by Step Solution
- Step 1: Write the proportion equation
374,720.99 : 517,101.98 = 213,627.92 : x - Step 2: Convert to fraction form
374,720.99/517,101.98 = 213,627.92/x - Step 3: Cross multiply
374,720.99x = 517,101.98 × 213,627.92 - Step 4: Simplify right side
374,720.99x = 110,467,416,761.63 - Step 5: Solve for x
x = 110,467,416,761.63/374,720.99 - Step 6: Final answer
x = 294,799.12
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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.