Finding the Fourth Proportional to 180,220.32, 248,693.97 and 99,642.99
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Solution
The fourth proportional to 180,220.32, 248,693.97 and 99,642.99 is: 137,501.76
Step by Step Solution
- Step 1: Write the proportion equation
180,220.32 : 248,693.97 = 99,642.99 : x - Step 2: Convert to fraction form
180,220.32/248,693.97 = 99,642.99/x - Step 3: Cross multiply
180,220.32x = 248,693.97 × 99,642.99 - Step 4: Simplify right side
180,220.32x = 24,780,610,765.77 - Step 5: Solve for x
x = 24,780,610,765.77/180,220.32 - Step 6: Final answer
x = 137,501.76
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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.