Finding the Fourth Proportional to 751,927.68, 1,127,958.06 and 212,188.72
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Solution
The fourth proportional to 751,927.68, 1,127,958.06 and 212,188.72 is: 318,301.86
Step by Step Solution
- Step 1: Write the proportion equation
751,927.68 : 1,127,958.06 = 212,188.72 : x - Step 2: Convert to fraction form
751,927.68/1,127,958.06 = 212,188.72/x - Step 3: Cross multiply
751,927.68x = 1,127,958.06 × 212,188.72 - Step 4: Simplify right side
751,927.68x = 239,339,977,998.10 - Step 5: Solve for x
x = 239,339,977,998.10/751,927.68 - Step 6: Final answer
x = 318,301.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.