Finding the Fourth Proportional to 348,480.34, 522,579.80 and 135,135.92
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Solution
The fourth proportional to 348,480.34, 522,579.80 and 135,135.92 is: 202,649.31
Step by Step Solution
- Step 1: Write the proportion equation
348,480.34 : 522,579.80 = 135,135.92 : x - Step 2: Convert to fraction form
348,480.34/522,579.80 = 135,135.92/x - Step 3: Cross multiply
348,480.34x = 522,579.80 × 135,135.92 - Step 4: Simplify right side
348,480.34x = 70,619,302,046.42 - Step 5: Solve for x
x = 70,619,302,046.42/348,480.34 - Step 6: Final answer
x = 202,649.31
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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.