Finding the Fourth Proportional to 147,324.41, 203,302.28 and 90,059.63
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Solution
The fourth proportional to 147,324.41, 203,302.28 and 90,059.63 is: 124,278.99
Step by Step Solution
- Step 1: Write the proportion equation
147,324.41 : 203,302.28 = 90,059.63 : x - Step 2: Convert to fraction form
147,324.41/203,302.28 = 90,059.63/x - Step 3: Cross multiply
147,324.41x = 203,302.28 × 90,059.63 - Step 4: Simplify right side
147,324.41x = 18,309,328,848.36 - Step 5: Solve for x
x = 18,309,328,848.36/147,324.41 - Step 6: Final answer
x = 124,278.99
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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.