Finding the Fourth Proportional to 341,425.80, 512,138.70 and 302,059.80
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Solution
The fourth proportional to 341,425.80, 512,138.70 and 302,059.80 is: 453,089.70
Step by Step Solution
- Step 1: Write the proportion equation
341,425.80 : 512,138.70 = 302,059.80 : x - Step 2: Convert to fraction form
341,425.80/512,138.70 = 302,059.80/x - Step 3: Cross multiply
341,425.80x = 512,138.70 × 302,059.80 - Step 4: Simplify right side
341,425.80x = 154,696,513,294.26 - Step 5: Solve for x
x = 154,696,513,294.26/341,425.80 - Step 6: Final answer
x = 453,089.70
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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.