Finding the Fourth Proportional to 261,924.71, 361,486.08 and 145,649.80
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Solution
The fourth proportional to 261,924.71, 361,486.08 and 145,649.80 is: 201,013.39
Step by Step Solution
- Step 1: Write the proportion equation
261,924.71 : 361,486.08 = 145,649.80 : x - Step 2: Convert to fraction form
261,924.71/361,486.08 = 145,649.80/x - Step 3: Cross multiply
261,924.71x = 361,486.08 × 145,649.80 - Step 4: Simplify right side
261,924.71x = 52,650,374,082.92 - Step 5: Solve for x
x = 52,650,374,082.92/261,924.71 - Step 6: Final answer
x = 201,013.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.