Finding the Fourth Proportional to 135,801.86, 203,656.64 and 47,034.62
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Solution
The fourth proportional to 135,801.86, 203,656.64 and 47,034.62 is: 70,535.94
Step by Step Solution
- Step 1: Write the proportion equation
135,801.86 : 203,656.64 = 47,034.62 : x - Step 2: Convert to fraction form
135,801.86/203,656.64 = 47,034.62/x - Step 3: Cross multiply
135,801.86x = 203,656.64 × 47,034.62 - Step 4: Simplify right side
135,801.86x = 9,578,911,772.18 - Step 5: Solve for x
x = 9,578,911,772.18/135,801.86 - Step 6: Final answer
x = 70,535.94
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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.