Finding the Fourth Proportional to 134,464.07, 201,631.77 and 78,320.19
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Solution
The fourth proportional to 134,464.07, 201,631.77 and 78,320.19 is: 117,442.82
Step by Step Solution
- Step 1: Write the proportion equation
134,464.07 : 201,631.77 = 78,320.19 : x - Step 2: Convert to fraction form
134,464.07/201,631.77 = 78,320.19/x - Step 3: Cross multiply
134,464.07x = 201,631.77 × 78,320.19 - Step 4: Simplify right side
134,464.07x = 15,791,839,292.56 - Step 5: Solve for x
x = 15,791,839,292.56/134,464.07 - Step 6: Final answer
x = 117,442.82
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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.