Finding the Fourth Proportional to 289,457.14, 399,645.78 and 180,727.02
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Solution
The fourth proportional to 289,457.14, 399,645.78 and 180,727.02 is: 249,524.99
Step by Step Solution
- Step 1: Write the proportion equation
289,457.14 : 399,645.78 = 180,727.02 : x - Step 2: Convert to fraction form
289,457.14/399,645.78 = 180,727.02/x - Step 3: Cross multiply
289,457.14x = 399,645.78 × 180,727.02 - Step 4: Simplify right side
289,457.14x = 72,226,790,874.98 - Step 5: Solve for x
x = 72,226,790,874.98/289,457.14 - Step 6: Final answer
x = 249,524.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.