Finding the Fourth Proportional to 165,511.07, 227,970.19 and 127,197.31
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Solution
The fourth proportional to 165,511.07, 227,970.19 and 127,197.31 is: 175,197.92
Step by Step Solution
- Step 1: Write the proportion equation
165,511.07 : 227,970.19 = 127,197.31 : x - Step 2: Convert to fraction form
165,511.07/227,970.19 = 127,197.31/x - Step 3: Cross multiply
165,511.07x = 227,970.19 × 127,197.31 - Step 4: Simplify right side
165,511.07x = 28,997,194,928.19 - Step 5: Solve for x
x = 28,997,194,928.19/165,511.07 - Step 6: Final answer
x = 175,197.92
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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.