Finding the Fourth Proportional to 135,242.26, 202,881.85 and 56,338.03
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Solution
The fourth proportional to 135,242.26, 202,881.85 and 56,338.03 is: 84,514.74
Step by Step Solution
- Step 1: Write the proportion equation
135,242.26 : 202,881.85 = 56,338.03 : x - Step 2: Convert to fraction form
135,242.26/202,881.85 = 56,338.03/x - Step 3: Cross multiply
135,242.26x = 202,881.85 × 56,338.03 - Step 4: Simplify right side
135,242.26x = 11,429,963,864.51 - Step 5: Solve for x
x = 11,429,963,864.51/135,242.26 - Step 6: Final answer
x = 84,514.74
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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.