Finding the Fourth Proportional to 346,322.80, 519,046.80 and 168,446.80
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Solution
The fourth proportional to 346,322.80, 519,046.80 and 168,446.80 is: 252,457.45
Step by Step Solution
- Step 1: Write the proportion equation
346,322.80 : 519,046.80 = 168,446.80 : x - Step 2: Convert to fraction form
346,322.80/519,046.80 = 168,446.80/x - Step 3: Cross multiply
346,322.80x = 519,046.80 × 168,446.80 - Step 4: Simplify right side
346,322.80x = 87,431,772,510.24 - Step 5: Solve for x
x = 87,431,772,510.24/346,322.80 - Step 6: Final answer
x = 252,457.45
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1.5x scale
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.