Finding the Fourth Proportional to 440,163.17, 607,416.04 and 238,959.17
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Solution
The fourth proportional to 440,163.17, 607,416.04 and 238,959.17 is: 329,758.70
Step by Step Solution
- Step 1: Write the proportion equation
440,163.17 : 607,416.04 = 238,959.17 : x - Step 2: Convert to fraction form
440,163.17/607,416.04 = 238,959.17/x - Step 3: Cross multiply
440,163.17x = 607,416.04 × 238,959.17 - Step 4: Simplify right side
440,163.17x = 145,147,634,580.33 - Step 5: Solve for x
x = 145,147,634,580.33/440,163.17 - Step 6: Final answer
x = 329,758.70
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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.