Finding the Fourth Proportional to 336,287.18, 464,028.18 and 208,916.30
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Solution
The fourth proportional to 336,287.18, 464,028.18 and 208,916.30 is: 288,274.59
Step by Step Solution
- Step 1: Write the proportion equation
336,287.18 : 464,028.18 = 208,916.30 : x - Step 2: Convert to fraction form
336,287.18/464,028.18 = 208,916.30/x - Step 3: Cross multiply
336,287.18x = 464,028.18 × 208,916.30 - Step 4: Simplify right side
336,287.18x = 96,943,048,141.19 - Step 5: Solve for x
x = 96,943,048,141.19/336,287.18 - Step 6: Final answer
x = 288,274.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.