Finding the Fourth Proportional to 354,536.93, 531,485.52 and 129,740.67
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Solution
The fourth proportional to 354,536.93, 531,485.52 and 129,740.67 is: 194,493.95
Step by Step Solution
- Step 1: Write the proportion equation
354,536.93 : 531,485.52 = 129,740.67 : x - Step 2: Convert to fraction form
354,536.93/531,485.52 = 129,740.67/x - Step 3: Cross multiply
354,536.93x = 531,485.52 × 129,740.67 - Step 4: Simplify right side
354,536.93x = 68,955,287,460.10 - Step 5: Solve for x
x = 68,955,287,460.10/354,536.93 - Step 6: Final answer
x = 194,493.95
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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.