Finding the Fourth Proportional to 268,596.18, 370,637.01 and 147,735.54
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Solution
The fourth proportional to 268,596.18, 370,637.01 and 147,735.54 is: 203,860.90
Step by Step Solution
- Step 1: Write the proportion equation
268,596.18 : 370,637.01 = 147,735.54 : x - Step 2: Convert to fraction form
268,596.18/370,637.01 = 147,735.54/x - Step 3: Cross multiply
268,596.18x = 370,637.01 × 147,735.54 - Step 4: Simplify right side
268,596.18x = 54,756,258,816.34 - Step 5: Solve for x
x = 54,756,258,816.34/268,596.18 - Step 6: Final answer
x = 203,860.90
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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.