Finding the Fourth Proportional to 842,744.17, 1,264,153.18 and 243,765.88
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Solution
The fourth proportional to 842,744.17, 1,264,153.18 and 243,765.88 is: 365,659.50
Step by Step Solution
- Step 1: Write the proportion equation
842,744.17 : 1,264,153.18 = 243,765.88 : x - Step 2: Convert to fraction form
842,744.17/1,264,153.18 = 243,765.88/x - Step 3: Cross multiply
842,744.17x = 1,264,153.18 × 243,765.88 - Step 4: Simplify right side
842,744.17x = 308,157,412,620.19 - Step 5: Solve for x
x = 308,157,412,620.19/842,744.17 - Step 6: Final answer
x = 365,659.50
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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.