Finding the Fourth Proportional to 528,188.21, 792,268.41 and 149,135.18
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Solution
The fourth proportional to 528,188.21, 792,268.41 and 149,135.18 is: 223,698.84
Step by Step Solution
- Step 1: Write the proportion equation
528,188.21 : 792,268.41 = 149,135.18 : x - Step 2: Convert to fraction form
528,188.21/792,268.41 = 149,135.18/x - Step 3: Cross multiply
528,188.21x = 792,268.41 × 149,135.18 - Step 4: Simplify right side
528,188.21x = 118,155,091,933.66 - Step 5: Solve for x
x = 118,155,091,933.66/528,188.21 - Step 6: Final answer
x = 223,698.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.