Finding the Fourth Proportional to 171,820.24, 236,271.12 and 149,119.80
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Solution
The fourth proportional to 171,820.24, 236,271.12 and 149,119.80 is: 205,055.60
Step by Step Solution
- Step 1: Write the proportion equation
171,820.24 : 236,271.12 = 149,119.80 : x - Step 2: Convert to fraction form
171,820.24/236,271.12 = 149,119.80/x - Step 3: Cross multiply
171,820.24x = 236,271.12 × 149,119.80 - Step 4: Simplify right side
171,820.24x = 35,232,702,160.18 - Step 5: Solve for x
x = 35,232,702,160.18/171,820.24 - Step 6: Final answer
x = 205,055.60
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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.