Finding the Fourth Proportional to 134,539.20, 201,808.80 and 124,430.40
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Solution
The fourth proportional to 134,539.20, 201,808.80 and 124,430.40 is: 186,645.60
Step by Step Solution
- Step 1: Write the proportion equation
134,539.20 : 201,808.80 = 124,430.40 : x - Step 2: Convert to fraction form
134,539.20/201,808.80 = 124,430.40/x - Step 3: Cross multiply
134,539.20x = 201,808.80 × 124,430.40 - Step 4: Simplify right side
134,539.20x = 25,111,149,707.52 - Step 5: Solve for x
x = 25,111,149,707.52/134,539.20 - Step 6: Final answer
x = 186,645.60
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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.