Finding the Fourth Proportional to 663,143.34, 995,008.97 and 347,525.18
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Solution
The fourth proportional to 663,143.34, 995,008.97 and 347,525.18 is: 521,441.82
Step by Step Solution
- Step 1: Write the proportion equation
663,143.34 : 995,008.97 = 347,525.18 : x - Step 2: Convert to fraction form
663,143.34/995,008.97 = 347,525.18/x - Step 3: Cross multiply
663,143.34x = 995,008.97 × 347,525.18 - Step 4: Simplify right side
663,143.34x = 345,790,671,400.87 - Step 5: Solve for x
x = 345,790,671,400.87/663,143.34 - Step 6: Final answer
x = 521,441.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.