Finding the Fourth Proportional to 268,208.14, 370,133.76 and 147,357.26
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Solution
The fourth proportional to 268,208.14, 370,133.76 and 147,357.26 is: 203,356.60
Step by Step Solution
- Step 1: Write the proportion equation
268,208.14 : 370,133.76 = 147,357.26 : x - Step 2: Convert to fraction form
268,208.14/370,133.76 = 147,357.26/x - Step 3: Cross multiply
268,208.14x = 370,133.76 × 147,357.26 - Step 4: Simplify right side
268,208.14x = 54,541,896,707.10 - Step 5: Solve for x
x = 54,541,896,707.10/268,208.14 - Step 6: Final answer
x = 203,356.60
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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.