Finding the Fourth Proportional to 370,425.12, 555,307.82 and 133,715.18
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Solution
The fourth proportional to 370,425.12, 555,307.82 and 133,715.18 is: 200,453.70
Step by Step Solution
- Step 1: Write the proportion equation
370,425.12 : 555,307.82 = 133,715.18 : x - Step 2: Convert to fraction form
370,425.12/555,307.82 = 133,715.18/x - Step 3: Cross multiply
370,425.12x = 555,307.82 × 133,715.18 - Step 4: Simplify right side
370,425.12x = 74,253,085,106.71 - Step 5: Solve for x
x = 74,253,085,106.71/370,425.12 - Step 6: Final answer
x = 200,453.70
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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.