Finding the Fourth Proportional to 232,918.18, 321,438.49 and 130,975.73
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Solution
The fourth proportional to 232,918.18, 321,438.49 and 130,975.73 is: 180,752.92
Step by Step Solution
- Step 1: Write the proportion equation
232,918.18 : 321,438.49 = 130,975.73 : x - Step 2: Convert to fraction form
232,918.18/321,438.49 = 130,975.73/x - Step 3: Cross multiply
232,918.18x = 321,438.49 × 130,975.73 - Step 4: Simplify right side
232,918.18x = 42,100,641,354.00 - Step 5: Solve for x
x = 42,100,641,354.00/232,918.18 - Step 6: Final answer
x = 180,752.92
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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.