Finding the Fourth Proportional to 423,842.10, 635,367.87 and 143,163.06
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Solution
The fourth proportional to 423,842.10, 635,367.87 and 143,163.06 is: 214,611.07
Step by Step Solution
- Step 1: Write the proportion equation
423,842.10 : 635,367.87 = 143,163.06 : x - Step 2: Convert to fraction form
423,842.10/635,367.87 = 143,163.06/x - Step 3: Cross multiply
423,842.10x = 635,367.87 × 143,163.06 - Step 4: Simplify right side
423,842.10x = 90,961,208,494.88 - Step 5: Solve for x
x = 90,961,208,494.88/423,842.10 - Step 6: Final answer
x = 214,611.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.