Finding the Fourth Proportional to 275,747.22, 413,656.08 and 98,272.17
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Solution
The fourth proportional to 275,747.22, 413,656.08 and 98,272.17 is: 147,420.82
Step by Step Solution
- Step 1: Write the proportion equation
275,747.22 : 413,656.08 = 98,272.17 : x - Step 2: Convert to fraction form
275,747.22/413,656.08 = 98,272.17/x - Step 3: Cross multiply
275,747.22x = 413,656.08 × 98,272.17 - Step 4: Simplify right side
275,747.22x = 40,650,880,615.29 - Step 5: Solve for x
x = 40,650,880,615.29/275,747.22 - Step 6: Final answer
x = 147,420.82
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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.