Finding the Fourth Proportional to 135,698.27, 203,547.93 and 56,757.12
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Solution
The fourth proportional to 135,698.27, 203,547.93 and 56,757.12 is: 85,135.90
Step by Step Solution
- Step 1: Write the proportion equation
135,698.27 : 203,547.93 = 56,757.12 : x - Step 2: Convert to fraction form
135,698.27/203,547.93 = 56,757.12/x - Step 3: Cross multiply
135,698.27x = 203,547.93 × 56,757.12 - Step 4: Simplify right side
135,698.27x = 11,552,794,288.76 - Step 5: Solve for x
x = 11,552,794,288.76/135,698.27 - Step 6: Final answer
x = 85,135.90
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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.