Finding the Fourth Proportional to 268,113.99, 369,997.09 and 147,258.55
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Solution
The fourth proportional to 268,113.99, 369,997.09 and 147,258.55 is: 203,216.68
Step by Step Solution
- Step 1: Write the proportion equation
268,113.99 : 369,997.09 = 147,258.55 : x - Step 2: Convert to fraction form
268,113.99/369,997.09 = 147,258.55/x - Step 3: Cross multiply
268,113.99x = 369,997.09 × 147,258.55 - Step 4: Simplify right side
268,113.99x = 54,485,233,684.48 - Step 5: Solve for x
x = 54,485,233,684.48/268,113.99 - Step 6: Final answer
x = 203,216.68
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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.