Finding the Fourth Proportional to 313,974.24, 470,977.66 and 103,628.60
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Solution
The fourth proportional to 313,974.24, 470,977.66 and 103,628.60 is: 155,448.28
Step by Step Solution
- Step 1: Write the proportion equation
313,974.24 : 470,977.66 = 103,628.60 : x - Step 2: Convert to fraction form
313,974.24/470,977.66 = 103,628.60/x - Step 3: Cross multiply
313,974.24x = 470,977.66 × 103,628.60 - Step 4: Simplify right side
313,974.24x = 48,806,755,537.08 - Step 5: Solve for x
x = 48,806,755,537.08/313,974.24 - Step 6: Final answer
x = 155,448.28
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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.