Finding the Fourth Proportional to 368,997.22, 509,148.51 and 207,817.75
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Solution
The fourth proportional to 368,997.22, 509,148.51 and 207,817.75 is: 286,750.39
Step by Step Solution
- Step 1: Write the proportion equation
368,997.22 : 509,148.51 = 207,817.75 : x - Step 2: Convert to fraction form
368,997.22/509,148.51 = 207,817.75/x - Step 3: Cross multiply
368,997.22x = 509,148.51 × 207,817.75 - Step 4: Simplify right side
368,997.22x = 105,810,097,764.05 - Step 5: Solve for x
x = 105,810,097,764.05/368,997.22 - Step 6: Final answer
x = 286,750.39
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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.