Finding the Fourth Proportional to 476,674.02, 715,010.40 and 121,688.10
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Solution
The fourth proportional to 476,674.02, 715,010.40 and 121,688.10 is: 182,531.99
Step by Step Solution
- Step 1: Write the proportion equation
476,674.02 : 715,010.40 = 121,688.10 : x - Step 2: Convert to fraction form
476,674.02/715,010.40 = 121,688.10/x - Step 3: Cross multiply
476,674.02x = 715,010.40 × 121,688.10 - Step 4: Simplify right side
476,674.02x = 87,008,257,056.24 - Step 5: Solve for x
x = 87,008,257,056.24/476,674.02 - Step 6: Final answer
x = 182,531.99
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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.