Finding the Fourth Proportional to 780,132.60, 1,170,203.36 and 240,381.81
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Solution
The fourth proportional to 780,132.60, 1,170,203.36 and 240,381.81 is: 360,574.09
Step by Step Solution
- Step 1: Write the proportion equation
780,132.60 : 1,170,203.36 = 240,381.81 : x - Step 2: Convert to fraction form
780,132.60/1,170,203.36 = 240,381.81/x - Step 3: Cross multiply
780,132.60x = 1,170,203.36 × 240,381.81 - Step 4: Simplify right side
780,132.60x = 281,295,600,542.97 - Step 5: Solve for x
x = 281,295,600,542.97/780,132.60 - Step 6: Final answer
x = 360,574.09
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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.