Finding the Fourth Proportional to 180,220.94, 248,687.36 and 99,637.43
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Solution
The fourth proportional to 180,220.94, 248,687.36 and 99,637.43 is: 137,489.95
Step by Step Solution
- Step 1: Write the proportion equation
180,220.94 : 248,687.36 = 99,637.43 : x - Step 2: Convert to fraction form
180,220.94/248,687.36 = 99,637.43/x - Step 3: Cross multiply
180,220.94x = 248,687.36 × 99,637.43 - Step 4: Simplify right side
180,220.94x = 24,778,567,682.26 - Step 5: Solve for x
x = 24,778,567,682.26/180,220.94 - Step 6: Final answer
x = 137,489.95
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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.