Finding the Fourth Proportional to 445,829.68, 615,288.18 and 254,806.66
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Solution
The fourth proportional to 445,829.68, 615,288.18 and 254,806.66 is: 351,657.89
Step by Step Solution
- Step 1: Write the proportion equation
445,829.68 : 615,288.18 = 254,806.66 : x - Step 2: Convert to fraction form
445,829.68/615,288.18 = 254,806.66/x - Step 3: Cross multiply
445,829.68x = 615,288.18 × 254,806.66 - Step 4: Simplify right side
445,829.68x = 156,779,526,083.28 - Step 5: Solve for x
x = 156,779,526,083.28/445,829.68 - Step 6: Final answer
x = 351,657.89
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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.