Finding the Fourth Proportional to 676,378.10, 1,014,457.79 and 202,980.08
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Solution
The fourth proportional to 676,378.10, 1,014,457.79 and 202,980.08 is: 304,437.29
Step by Step Solution
- Step 1: Write the proportion equation
676,378.10 : 1,014,457.79 = 202,980.08 : x - Step 2: Convert to fraction form
676,378.10/1,014,457.79 = 202,980.08/x - Step 3: Cross multiply
676,378.10x = 1,014,457.79 × 202,980.08 - Step 4: Simplify right side
676,378.10x = 205,914,717,283.63 - Step 5: Solve for x
x = 205,914,717,283.63/676,378.10 - Step 6: Final answer
x = 304,437.29
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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.