Finding the Fourth Proportional to 270,606.87, 405,862.79 and 83,619.99
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Solution
The fourth proportional to 270,606.87, 405,862.79 and 83,619.99 is: 125,415.30
Step by Step Solution
- Step 1: Write the proportion equation
270,606.87 : 405,862.79 = 83,619.99 : x - Step 2: Convert to fraction form
270,606.87/405,862.79 = 83,619.99/x - Step 3: Cross multiply
270,606.87x = 405,862.79 × 83,619.99 - Step 4: Simplify right side
270,606.87x = 33,938,242,023.07 - Step 5: Solve for x
x = 33,938,242,023.07/270,606.87 - Step 6: Final answer
x = 125,415.30
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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.