Finding the Fourth Proportional to 509,975.73, 765,130.02 and 243,756.99
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Solution
The fourth proportional to 509,975.73, 765,130.02 and 243,756.99 is: 365,715.03
Step by Step Solution
- Step 1: Write the proportion equation
509,975.73 : 765,130.02 = 243,756.99 : x - Step 2: Convert to fraction form
509,975.73/765,130.02 = 243,756.99/x - Step 3: Cross multiply
509,975.73x = 765,130.02 × 243,756.99 - Step 4: Simplify right side
509,975.73x = 186,505,790,633.84 - Step 5: Solve for x
x = 186,505,790,633.84/509,975.73 - Step 6: Final answer
x = 365,715.03
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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.