Finding the Fourth Proportional to 751,551.05, 1,127,237.76 and 211,847.81
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Solution
The fourth proportional to 751,551.05, 1,127,237.76 and 211,847.81 is: 317,746.67
Step by Step Solution
- Step 1: Write the proportion equation
751,551.05 : 1,127,237.76 = 211,847.81 : x - Step 2: Convert to fraction form
751,551.05/1,127,237.76 = 211,847.81/x - Step 3: Cross multiply
751,551.05x = 1,127,237.76 × 211,847.81 - Step 4: Simplify right side
751,551.05x = 238,802,845,169.12 - Step 5: Solve for x
x = 238,802,845,169.12/751,551.05 - Step 6: Final answer
x = 317,746.67
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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.