Finding the Fourth Proportional to 409,277.80, 613,916.70 and 124,967.80
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Solution
The fourth proportional to 409,277.80, 613,916.70 and 124,967.80 is: 187,451.70
Step by Step Solution
- Step 1: Write the proportion equation
409,277.80 : 613,916.70 = 124,967.80 : x - Step 2: Convert to fraction form
409,277.80/613,916.70 = 124,967.80/x - Step 3: Cross multiply
409,277.80x = 613,916.70 × 124,967.80 - Step 4: Simplify right side
409,277.80x = 76,719,819,382.26 - Step 5: Solve for x
x = 76,719,819,382.26/409,277.80 - Step 6: Final answer
x = 187,451.70
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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.