Finding the Fourth Proportional to 432,268.44, 648,435.44 and 116,720.76
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Solution
The fourth proportional to 432,268.44, 648,435.44 and 116,720.76 is: 175,089.99
Step by Step Solution
- Step 1: Write the proportion equation
432,268.44 : 648,435.44 = 116,720.76 : x - Step 2: Convert to fraction form
432,268.44/648,435.44 = 116,720.76/x - Step 3: Cross multiply
432,268.44x = 648,435.44 × 116,720.76 - Step 4: Simplify right side
432,268.44x = 75,685,877,367.73 - Step 5: Solve for x
x = 75,685,877,367.73/432,268.44 - Step 6: Final answer
x = 175,089.99
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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.