Finding the Fourth Proportional to 220,295.76, 304,023.18 and 124,803.24
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Solution
The fourth proportional to 220,295.76, 304,023.18 and 124,803.24 is: 172,236.99
Step by Step Solution
- Step 1: Write the proportion equation
220,295.76 : 304,023.18 = 124,803.24 : x - Step 2: Convert to fraction form
220,295.76/304,023.18 = 124,803.24/x - Step 3: Cross multiply
220,295.76x = 304,023.18 × 124,803.24 - Step 4: Simplify right side
220,295.76x = 37,943,077,899.10 - Step 5: Solve for x
x = 37,943,077,899.10/220,295.76 - Step 6: Final answer
x = 172,236.99
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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.