Finding the Fourth Proportional to 357,546.96, 493,294.35 and 202,477.05
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Solution
The fourth proportional to 357,546.96, 493,294.35 and 202,477.05 is: 279,350.12
Step by Step Solution
- Step 1: Write the proportion equation
357,546.96 : 493,294.35 = 202,477.05 : x - Step 2: Convert to fraction form
357,546.96/493,294.35 = 202,477.05/x - Step 3: Cross multiply
357,546.96x = 493,294.35 × 202,477.05 - Step 4: Simplify right side
357,546.96x = 99,880,784,769.67 - Step 5: Solve for x
x = 99,880,784,769.67/357,546.96 - Step 6: Final answer
x = 279,350.12
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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.