Finding the Fourth Proportional to 439,958.08, 607,142.14 and 238,754.08
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Solution
The fourth proportional to 439,958.08, 607,142.14 and 238,754.08 is: 329,480.62
Step by Step Solution
- Step 1: Write the proportion equation
439,958.08 : 607,142.14 = 238,754.08 : x - Step 2: Convert to fraction form
439,958.08/607,142.14 = 238,754.08/x - Step 3: Cross multiply
439,958.08x = 607,142.14 × 238,754.08 - Step 4: Simplify right side
439,958.08x = 144,957,663,064.93 - Step 5: Solve for x
x = 144,957,663,064.93/439,958.08 - Step 6: Final answer
x = 329,480.62
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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.