Finding the Fourth Proportional to 157,468.60, 236,202.90 and 97,544.80
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Solution
The fourth proportional to 157,468.60, 236,202.90 and 97,544.80 is: 146,317.20
Step by Step Solution
- Step 1: Write the proportion equation
157,468.60 : 236,202.90 = 97,544.80 : x - Step 2: Convert to fraction form
157,468.60/236,202.90 = 97,544.80/x - Step 3: Cross multiply
157,468.60x = 236,202.90 × 97,544.80 - Step 4: Simplify right side
157,468.60x = 23,040,364,639.92 - Step 5: Solve for x
x = 23,040,364,639.92/157,468.60 - Step 6: Final answer
x = 146,317.20
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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.