Finding the Fourth Proportional to 118,337.44, 177,622.80 and 71,681.44
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Solution
The fourth proportional to 118,337.44, 177,622.80 and 71,681.44 is: 107,592.81
Step by Step Solution
- Step 1: Write the proportion equation
118,337.44 : 177,622.80 = 71,681.44 : x - Step 2: Convert to fraction form
118,337.44/177,622.80 = 71,681.44/x - Step 3: Cross multiply
118,337.44x = 177,622.80 × 71,681.44 - Step 4: Simplify right side
118,337.44x = 12,732,258,080.83 - Step 5: Solve for x
x = 12,732,258,080.83/118,337.44 - Step 6: Final answer
x = 107,592.81
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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.