Finding the Fourth Proportional to 545,339.54, 818,382.99 and 190,353.53
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Solution
The fourth proportional to 545,339.54, 818,382.99 and 190,353.53 is: 285,660.73
Step by Step Solution
- Step 1: Write the proportion equation
545,339.54 : 818,382.99 = 190,353.53 : x - Step 2: Convert to fraction form
545,339.54/818,382.99 = 190,353.53/x - Step 3: Cross multiply
545,339.54x = 818,382.99 × 190,353.53 - Step 4: Simplify right side
545,339.54x = 155,782,086,946.54 - Step 5: Solve for x
x = 155,782,086,946.54/545,339.54 - Step 6: Final answer
x = 285,660.73
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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.