Finding the Fourth Proportional to 439,995.68, 607,193.88 and 238,791.68
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Solution
The fourth proportional to 439,995.68, 607,193.88 and 238,791.68 is: 329,532.43
Step by Step Solution
- Step 1: Write the proportion equation
439,995.68 : 607,193.88 = 238,791.68 : x - Step 2: Convert to fraction form
439,995.68/607,193.88 = 238,791.68/x - Step 3: Cross multiply
439,995.68x = 607,193.88 × 238,791.68 - Step 4: Simplify right side
439,995.68x = 144,992,846,690.92 - Step 5: Solve for x
x = 144,992,846,690.92/439,995.68 - Step 6: Final answer
x = 329,532.43
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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.