Finding the Fourth Proportional to 303,518.24, 418,894.80 and 169,410.08
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Solution
The fourth proportional to 303,518.24, 418,894.80 and 169,410.08 is: 233,808.03
Step by Step Solution
- Step 1: Write the proportion equation
303,518.24 : 418,894.80 = 169,410.08 : x - Step 2: Convert to fraction form
303,518.24/418,894.80 = 169,410.08/x - Step 3: Cross multiply
303,518.24x = 418,894.80 × 169,410.08 - Step 4: Simplify right side
303,518.24x = 70,965,001,579.58 - Step 5: Solve for x
x = 70,965,001,579.58/303,518.24 - Step 6: Final answer
x = 233,808.03
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1.5x scale
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.