Finding the Fourth Proportional to 612,593.21, 845,254.76 and 357,895.19
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Solution
The fourth proportional to 612,593.21, 845,254.76 and 357,895.19 is: 493,822.99
Step by Step Solution
- Step 1: Write the proportion equation
612,593.21 : 845,254.76 = 357,895.19 : x - Step 2: Convert to fraction form
612,593.21/845,254.76 = 357,895.19/x - Step 3: Cross multiply
612,593.21x = 845,254.76 × 357,895.19 - Step 4: Simplify right side
612,593.21x = 302,512,606,912.86 - Step 5: Solve for x
x = 302,512,606,912.86/612,593.21 - Step 6: Final answer
x = 493,822.99
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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.