Finding the Fourth Proportional to 395,601.62, 545,927.99 and 214,317.09
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Solution
The fourth proportional to 395,601.62, 545,927.99 and 214,317.09 is: 295,756.37
Step by Step Solution
- Step 1: Write the proportion equation
395,601.62 : 545,927.99 = 214,317.09 : x - Step 2: Convert to fraction form
395,601.62/545,927.99 = 214,317.09/x - Step 3: Cross multiply
395,601.62x = 545,927.99 × 214,317.09 - Step 4: Simplify right side
395,601.62x = 117,001,697,094.76 - Step 5: Solve for x
x = 117,001,697,094.76/395,601.62 - Step 6: Final answer
x = 295,756.37
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1.5x scale
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.