Finding the Fourth Proportional to 346,609.80, 519,914.70 and 189,145.80
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Solution
The fourth proportional to 346,609.80, 519,914.70 and 189,145.80 is: 283,718.70
Step by Step Solution
- Step 1: Write the proportion equation
346,609.80 : 519,914.70 = 189,145.80 : x - Step 2: Convert to fraction form
346,609.80/519,914.70 = 189,145.80/x - Step 3: Cross multiply
346,609.80x = 519,914.70 × 189,145.80 - Step 4: Simplify right side
346,609.80x = 98,339,681,863.26 - Step 5: Solve for x
x = 98,339,681,863.26/346,609.80 - Step 6: Final answer
x = 283,718.70
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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.