Finding the Fourth Proportional to 157,471.10, 236,206.65 and 148,941.80
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Solution
The fourth proportional to 157,471.10, 236,206.65 and 148,941.80 is: 223,412.70
Step by Step Solution
- Step 1: Write the proportion equation
157,471.10 : 236,206.65 = 148,941.80 : x - Step 2: Convert to fraction form
157,471.10/236,206.65 = 148,941.80/x - Step 3: Cross multiply
157,471.10x = 236,206.65 × 148,941.80 - Step 4: Simplify right side
157,471.10x = 35,181,043,622.97 - Step 5: Solve for x
x = 35,181,043,622.97/157,471.10 - Step 6: Final answer
x = 223,412.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.