Finding the Fourth Proportional to 243,728.04, 336,330.74 and 134,825.88
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Solution
The fourth proportional to 243,728.04, 336,330.74 and 134,825.88 is: 186,051.99
Step by Step Solution
- Step 1: Write the proportion equation
243,728.04 : 336,330.74 = 134,825.88 : x - Step 2: Convert to fraction form
243,728.04/336,330.74 = 134,825.88/x - Step 3: Cross multiply
243,728.04x = 336,330.74 × 134,825.88 - Step 4: Simplify right side
243,728.04x = 45,346,087,991.55 - Step 5: Solve for x
x = 45,346,087,991.55/243,728.04 - Step 6: Final answer
x = 186,051.99
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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.