Finding the Fourth Proportional to 303,465.18, 418,719.43 and 174,378.71
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Solution
The fourth proportional to 303,465.18, 418,719.43 and 174,378.71 is: 240,606.70
Step by Step Solution
- Step 1: Write the proportion equation
303,465.18 : 418,719.43 = 174,378.71 : x - Step 2: Convert to fraction form
303,465.18/418,719.43 = 174,378.71/x - Step 3: Cross multiply
303,465.18x = 418,719.43 × 174,378.71 - Step 4: Simplify right side
303,465.18x = 73,015,754,055.34 - Step 5: Solve for x
x = 73,015,754,055.34/303,465.18 - Step 6: Final answer
x = 240,606.70
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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.