Finding the Fourth Proportional to 118,211.74, 177,254.93 and 51,574.03
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Solution
The fourth proportional to 118,211.74, 177,254.93 and 51,574.03 is: 77,333.70
Step by Step Solution
- Step 1: Write the proportion equation
118,211.74 : 177,254.93 = 51,574.03 : x - Step 2: Convert to fraction form
118,211.74/177,254.93 = 51,574.03/x - Step 3: Cross multiply
118,211.74x = 177,254.93 × 51,574.03 - Step 4: Simplify right side
118,211.74x = 9,141,750,763.27 - Step 5: Solve for x
x = 9,141,750,763.27/118,211.74 - Step 6: Final answer
x = 77,333.70
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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.