Finding the Fourth Proportional to 482,860.20, 724,160.70 and 202,319.40
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Solution
The fourth proportional to 482,860.20, 724,160.70 and 202,319.40 is: 303,424.80
Step by Step Solution
- Step 1: Write the proportion equation
482,860.20 : 724,160.70 = 202,319.40 : x - Step 2: Convert to fraction form
482,860.20/724,160.70 = 202,319.40/x - Step 3: Cross multiply
482,860.20x = 724,160.70 × 202,319.40 - Step 4: Simplify right side
482,860.20x = 146,511,758,327.58 - Step 5: Solve for x
x = 146,511,758,327.58/482,860.20 - Step 6: Final answer
x = 303,424.80
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1.5x scale
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.