Finding the Fourth Proportional to 180,173.48, 248,637.76 and 99,603.08
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Solution
The fourth proportional to 180,173.48, 248,637.76 and 99,603.08 is: 137,451.34
Step by Step Solution
- Step 1: Write the proportion equation
180,173.48 : 248,637.76 = 99,603.08 : x - Step 2: Convert to fraction form
180,173.48/248,637.76 = 99,603.08/x - Step 3: Cross multiply
180,173.48x = 248,637.76 × 99,603.08 - Step 4: Simplify right side
180,173.48x = 24,765,086,700.30 - Step 5: Solve for x
x = 24,765,086,700.30/180,173.48 - Step 6: Final answer
x = 137,451.34
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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.