Finding the Fourth Proportional to 177,921.28, 245,531.20 and 97,349.14
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Solution
The fourth proportional to 177,921.28, 245,531.20 and 97,349.14 is: 134,341.72
Step by Step Solution
- Step 1: Write the proportion equation
177,921.28 : 245,531.20 = 97,349.14 : x - Step 2: Convert to fraction form
177,921.28/245,531.20 = 97,349.14/x - Step 3: Cross multiply
177,921.28x = 245,531.20 × 97,349.14 - Step 4: Simplify right side
177,921.28x = 23,902,249,448.77 - Step 5: Solve for x
x = 23,902,249,448.77/177,921.28 - Step 6: Final answer
x = 134,341.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.