Finding the Fourth Proportional to 351,978.68, 485,725.50 and 190,830.68
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Solution
The fourth proportional to 351,978.68, 485,725.50 and 190,830.68 is: 263,343.59
Step by Step Solution
- Step 1: Write the proportion equation
351,978.68 : 485,725.50 = 190,830.68 : x - Step 2: Convert to fraction form
351,978.68/485,725.50 = 190,830.68/x - Step 3: Cross multiply
351,978.68x = 485,725.50 × 190,830.68 - Step 4: Simplify right side
351,978.68x = 92,691,327,458.34 - Step 5: Solve for x
x = 92,691,327,458.34/351,978.68 - Step 6: Final answer
x = 263,343.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.