Finding the Fourth Proportional to 512,653.03, 769,053.08 and 157,696.99
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Solution
The fourth proportional to 512,653.03, 769,053.08 and 157,696.99 is: 236,568.11
Step by Step Solution
- Step 1: Write the proportion equation
512,653.03 : 769,053.08 = 157,696.99 : x - Step 2: Convert to fraction form
512,653.03/769,053.08 = 157,696.99/x - Step 3: Cross multiply
512,653.03x = 769,053.08 × 157,696.99 - Step 4: Simplify right side
512,653.03x = 121,277,355,866.23 - Step 5: Solve for x
x = 121,277,355,866.23/512,653.03 - Step 6: Final answer
x = 236,568.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.