Finding the Fourth Proportional to 545,753.08, 818,740.34 and 171,689.08
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Solution
The fourth proportional to 545,753.08, 818,740.34 and 171,689.08 is: 257,568.45
Step by Step Solution
- Step 1: Write the proportion equation
545,753.08 : 818,740.34 = 171,689.08 : x - Step 2: Convert to fraction form
545,753.08/818,740.34 = 171,689.08/x - Step 3: Cross multiply
545,753.08x = 818,740.34 × 171,689.08 - Step 4: Simplify right side
545,753.08x = 140,568,775,733.49 - Step 5: Solve for x
x = 140,568,775,733.49/545,753.08 - Step 6: Final answer
x = 257,568.45
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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.