Finding the Fourth Proportional to 177,302.40, 265,953.60 and 121,315.20
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Solution
The fourth proportional to 177,302.40, 265,953.60 and 121,315.20 is: 181,972.80
Step by Step Solution
- Step 1: Write the proportion equation
177,302.40 : 265,953.60 = 121,315.20 : x - Step 2: Convert to fraction form
177,302.40/265,953.60 = 121,315.20/x - Step 3: Cross multiply
177,302.40x = 265,953.60 × 121,315.20 - Step 4: Simplify right side
177,302.40x = 32,264,214,174.72 - Step 5: Solve for x
x = 32,264,214,174.72/177,302.40 - Step 6: Final answer
x = 181,972.80
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1.5x scale
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.