Finding the Fourth Proportional to 309,564.99, 464,347.49 and 247,629.15
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Solution
The fourth proportional to 309,564.99, 464,347.49 and 247,629.15 is: 371,443.73
Step by Step Solution
- Step 1: Write the proportion equation
309,564.99 : 464,347.49 = 247,629.15 : x - Step 2: Convert to fraction form
309,564.99/464,347.49 = 247,629.15/x - Step 3: Cross multiply
309,564.99x = 464,347.49 × 247,629.15 - Step 4: Simplify right side
309,564.99x = 114,985,973,015.19 - Step 5: Solve for x
x = 114,985,973,015.19/309,564.99 - Step 6: Final answer
x = 371,443.73
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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.