Finding the Fourth Proportional to 149,602.36, 207,324.68 and 146,763.76
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Solution
The fourth proportional to 149,602.36, 207,324.68 and 146,763.76 is: 203,390.84
Step by Step Solution
- Step 1: Write the proportion equation
149,602.36 : 207,324.68 = 146,763.76 : x - Step 2: Convert to fraction form
149,602.36/207,324.68 = 146,763.76/x - Step 3: Cross multiply
149,602.36x = 207,324.68 × 146,763.76 - Step 4: Simplify right side
149,602.36x = 30,427,749,577.60 - Step 5: Solve for x
x = 30,427,749,577.60/149,602.36 - Step 6: Final answer
x = 203,390.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.