Finding the Fourth Proportional to 357,503.57, 493,234.79 and 202,433.73
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Solution
The fourth proportional to 357,503.57, 493,234.79 and 202,433.73 is: 279,290.52
Step by Step Solution
- Step 1: Write the proportion equation
357,503.57 : 493,234.79 = 202,433.73 : x - Step 2: Convert to fraction form
357,503.57/493,234.79 = 202,433.73/x - Step 3: Cross multiply
357,503.57x = 493,234.79 × 202,433.73 - Step 4: Simplify right side
357,503.57x = 99,847,359,926.15 - Step 5: Solve for x
x = 99,847,359,926.15/357,503.57 - Step 6: Final answer
x = 279,290.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.