Finding the Fourth Proportional to 528,177.99, 792,067.96 and 191,135.28
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Solution
The fourth proportional to 528,177.99, 792,067.96 and 191,135.28 is: 286,630.90
Step by Step Solution
- Step 1: Write the proportion equation
528,177.99 : 792,067.96 = 191,135.28 : x - Step 2: Convert to fraction form
528,177.99/792,067.96 = 191,135.28/x - Step 3: Cross multiply
528,177.99x = 792,067.96 × 191,135.28 - Step 4: Simplify right side
528,177.99x = 151,392,131,313.63 - Step 5: Solve for x
x = 151,392,131,313.63/528,177.99 - Step 6: Final answer
x = 286,630.90
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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.