Finding the Fourth Proportional to 118,263.90, 177,424.20 and 39,378.84
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Solution
The fourth proportional to 118,263.90, 177,424.20 and 39,378.84 is: 59,077.70
Step by Step Solution
- Step 1: Write the proportion equation
118,263.90 : 177,424.20 = 39,378.84 : x - Step 2: Convert to fraction form
118,263.90/177,424.20 = 39,378.84/x - Step 3: Cross multiply
118,263.90x = 177,424.20 × 39,378.84 - Step 4: Simplify right side
118,263.90x = 6,986,759,183.93 - Step 5: Solve for x
x = 6,986,759,183.93/118,263.90 - Step 6: Final answer
x = 59,077.70
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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.