Finding the Fourth Proportional to 482,661.60, 724,251.60 and 202,207.20
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Solution
The fourth proportional to 482,661.60, 724,251.60 and 202,207.20 is: 303,419.39
Step by Step Solution
- Step 1: Write the proportion equation
482,661.60 : 724,251.60 = 202,207.20 : x - Step 2: Convert to fraction form
482,661.60/724,251.60 = 202,207.20/x - Step 3: Cross multiply
482,661.60x = 724,251.60 × 202,207.20 - Step 4: Simplify right side
482,661.60x = 146,448,888,131.52 - Step 5: Solve for x
x = 146,448,888,131.52/482,661.60 - Step 6: Final answer
x = 303,419.39
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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.