Finding the Fourth Proportional to 353,164.46, 529,734.98 and 153,485.09
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Solution
The fourth proportional to 353,164.46, 529,734.98 and 153,485.09 is: 230,222.54
Step by Step Solution
- Step 1: Write the proportion equation
353,164.46 : 529,734.98 = 153,485.09 : x - Step 2: Convert to fraction form
353,164.46/529,734.98 = 153,485.09/x - Step 3: Cross multiply
353,164.46x = 529,734.98 × 153,485.09 - Step 4: Simplify right side
353,164.46x = 81,306,418,816.49 - Step 5: Solve for x
x = 81,306,418,816.49/353,164.46 - Step 6: Final answer
x = 230,222.54
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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.