Finding the Fourth Proportional to 339,518.70, 509,330.88 and 102,805.02
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Solution
The fourth proportional to 339,518.70, 509,330.88 and 102,805.02 is: 154,223.53
Step by Step Solution
- Step 1: Write the proportion equation
339,518.70 : 509,330.88 = 102,805.02 : x - Step 2: Convert to fraction form
339,518.70/509,330.88 = 102,805.02/x - Step 3: Cross multiply
339,518.70x = 509,330.88 × 102,805.02 - Step 4: Simplify right side
339,518.70x = 52,361,771,305.02 - Step 5: Solve for x
x = 52,361,771,305.02/339,518.70 - Step 6: Final answer
x = 154,223.53
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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.