Finding the Fourth Proportional to 144,812.58, 199,833.12 and 84,393.06
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Solution
The fourth proportional to 144,812.58, 199,833.12 and 84,393.06 is: 116,457.62
Step by Step Solution
- Step 1: Write the proportion equation
144,812.58 : 199,833.12 = 84,393.06 : x - Step 2: Convert to fraction form
144,812.58/199,833.12 = 84,393.06/x - Step 3: Cross multiply
144,812.58x = 199,833.12 × 84,393.06 - Step 4: Simplify right side
144,812.58x = 16,864,528,486.15 - Step 5: Solve for x
x = 16,864,528,486.15/144,812.58 - Step 6: Final answer
x = 116,457.62
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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.