Finding the Fourth Proportional to 177,037.20, 265,555.80 and 159,541.20
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Solution
The fourth proportional to 177,037.20, 265,555.80 and 159,541.20 is: 239,311.80
Step by Step Solution
- Step 1: Write the proportion equation
177,037.20 : 265,555.80 = 159,541.20 : x - Step 2: Convert to fraction form
177,037.20/265,555.80 = 159,541.20/x - Step 3: Cross multiply
177,037.20x = 265,555.80 × 159,541.20 - Step 4: Simplify right side
177,037.20x = 42,367,090,998.96 - Step 5: Solve for x
x = 42,367,090,998.96/177,037.20 - Step 6: Final answer
x = 239,311.80
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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.