Finding the Fourth Proportional to 346,030.44, 518,316.05 and 219,604.02
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Solution
The fourth proportional to 346,030.44, 518,316.05 and 219,604.02 is: 328,942.99
Step by Step Solution
- Step 1: Write the proportion equation
346,030.44 : 518,316.05 = 219,604.02 : x - Step 2: Convert to fraction form
346,030.44/518,316.05 = 219,604.02/x - Step 3: Cross multiply
346,030.44x = 518,316.05 × 219,604.02 - Step 4: Simplify right side
346,030.44x = 113,824,284,520.92 - Step 5: Solve for x
x = 113,824,284,520.92/346,030.44 - Step 6: Final answer
x = 328,942.99
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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.