Finding the Fourth Proportional to 243,987.96, 336,703.34 and 136,557.99
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Solution
The fourth proportional to 243,987.96, 336,703.34 and 136,557.99 is: 188,450.00
Step by Step Solution
- Step 1: Write the proportion equation
243,987.96 : 336,703.34 = 136,557.99 : x - Step 2: Convert to fraction form
243,987.96/336,703.34 = 136,557.99/x - Step 3: Cross multiply
243,987.96x = 336,703.34 × 136,557.99 - Step 4: Simplify right side
243,987.96x = 45,979,531,336.69 - Step 5: Solve for x
x = 45,979,531,336.69/243,987.96 - Step 6: Final answer
x = 188,450.00
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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.