Finding the Fourth Proportional to 239,642.94, 330,690.20 and 134,882.18
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Solution
The fourth proportional to 239,642.94, 330,690.20 and 134,882.18 is: 186,127.80
Step by Step Solution
- Step 1: Write the proportion equation
239,642.94 : 330,690.20 = 134,882.18 : x - Step 2: Convert to fraction form
239,642.94/330,690.20 = 134,882.18/x - Step 3: Cross multiply
239,642.94x = 330,690.20 × 134,882.18 - Step 4: Simplify right side
239,642.94x = 44,604,212,752.77 - Step 5: Solve for x
x = 44,604,212,752.77/239,642.94 - Step 6: Final answer
x = 186,127.80
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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.