Finding the Fourth Proportional to 118,807.11, 177,767.73 and 117,478.44
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Solution
The fourth proportional to 118,807.11, 177,767.73 and 117,478.44 is: 175,779.68
Step by Step Solution
- Step 1: Write the proportion equation
118,807.11 : 177,767.73 = 117,478.44 : x - Step 2: Convert to fraction form
118,807.11/177,767.73 = 117,478.44/x - Step 3: Cross multiply
118,807.11x = 177,767.73 × 117,478.44 - Step 4: Simplify right side
118,807.11x = 20,883,875,602.74 - Step 5: Solve for x
x = 20,883,875,602.74/118,807.11 - Step 6: Final answer
x = 175,779.68
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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.