Finding the Fourth Proportional to 248,207.21, 371,983.65 and 98,365.74
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Solution
The fourth proportional to 248,207.21, 371,983.65 and 98,365.74 is: 147,418.96
Step by Step Solution
- Step 1: Write the proportion equation
248,207.21 : 371,983.65 = 98,365.74 : x - Step 2: Convert to fraction form
248,207.21/371,983.65 = 98,365.74/x - Step 3: Cross multiply
248,207.21x = 371,983.65 × 98,365.74 - Step 4: Simplify right side
248,207.21x = 36,590,447,000.15 - Step 5: Solve for x
x = 36,590,447,000.15/248,207.21 - Step 6: Final answer
x = 147,418.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.