Finding the Fourth Proportional to 388,868.32, 582,645.84 and 238,795.84
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Solution
The fourth proportional to 388,868.32, 582,645.84 and 238,795.84 is: 357,790.53
Step by Step Solution
- Step 1: Write the proportion equation
388,868.32 : 582,645.84 = 238,795.84 : x - Step 2: Convert to fraction form
388,868.32/582,645.84 = 238,795.84/x - Step 3: Cross multiply
388,868.32x = 582,645.84 × 238,795.84 - Step 4: Simplify right side
388,868.32x = 139,133,402,785.31 - Step 5: Solve for x
x = 139,133,402,785.31/388,868.32 - Step 6: Final answer
x = 357,790.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.