Finding the Fourth Proportional to 187,260.17, 258,420.20 and 101,218.97
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Solution
The fourth proportional to 187,260.17, 258,420.20 and 101,218.97 is: 139,682.80
Step by Step Solution
- Step 1: Write the proportion equation
187,260.17 : 258,420.20 = 101,218.97 : x - Step 2: Convert to fraction form
187,260.17/258,420.20 = 101,218.97/x - Step 3: Cross multiply
187,260.17x = 258,420.20 × 101,218.97 - Step 4: Simplify right side
187,260.17x = 26,157,024,673.00 - Step 5: Solve for x
x = 26,157,024,673.00/187,260.17 - Step 6: Final answer
x = 139,682.80
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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.