Finding the Fourth Proportional to 352,930.12, 529,351.40 and 208,921.63
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Solution
The fourth proportional to 352,930.12, 529,351.40 and 208,921.63 is: 313,356.53
Step by Step Solution
- Step 1: Write the proportion equation
352,930.12 : 529,351.40 = 208,921.63 : x - Step 2: Convert to fraction form
352,930.12/529,351.40 = 208,921.63/x - Step 3: Cross multiply
352,930.12x = 529,351.40 × 208,921.63 - Step 4: Simplify right side
352,930.12x = 110,592,954,684.03 - Step 5: Solve for x
x = 110,592,954,684.03/352,930.12 - Step 6: Final answer
x = 313,356.53
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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.