Finding the Fourth Proportional to 330,546.95, 455,998.99 and 239,703.63
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Solution
The fourth proportional to 330,546.95, 455,998.99 and 239,703.63 is: 330,678.03
Step by Step Solution
- Step 1: Write the proportion equation
330,546.95 : 455,998.99 = 239,703.63 : x - Step 2: Convert to fraction form
330,546.95/455,998.99 = 239,703.63/x - Step 3: Cross multiply
330,546.95x = 455,998.99 × 239,703.63 - Step 4: Simplify right side
330,546.95x = 109,304,613,179.33 - Step 5: Solve for x
x = 109,304,613,179.33/330,546.95 - Step 6: Final answer
x = 330,678.03
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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.