Finding the Fourth Proportional to 131,448.62, 197,094.05 and 60,282.11
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Solution
The fourth proportional to 131,448.62, 197,094.05 and 60,282.11 is: 90,386.99
Step by Step Solution
- Step 1: Write the proportion equation
131,448.62 : 197,094.05 = 60,282.11 : x - Step 2: Convert to fraction form
131,448.62/197,094.05 = 60,282.11/x - Step 3: Cross multiply
131,448.62x = 197,094.05 × 60,282.11 - Step 4: Simplify right side
131,448.62x = 11,881,245,619.83 - Step 5: Solve for x
x = 11,881,245,619.83/131,448.62 - Step 6: Final answer
x = 90,386.99
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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.