Finding the Fourth Proportional to 612,319.53, 918,496.58 and 169,087.53
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Solution
The fourth proportional to 612,319.53, 918,496.58 and 169,087.53 is: 253,636.07
Step by Step Solution
- Step 1: Write the proportion equation
612,319.53 : 918,496.58 = 169,087.53 : x - Step 2: Convert to fraction form
612,319.53/918,496.58 = 169,087.53/x - Step 3: Cross multiply
612,319.53x = 918,496.58 × 169,087.53 - Step 4: Simplify right side
612,319.53x = 155,306,317,180.21 - Step 5: Solve for x
x = 155,306,317,180.21/612,319.53 - Step 6: Final answer
x = 253,636.07
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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.