Finding the Fourth Proportional to 476,160.21, 657,120.05 and 261,307.97
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Solution
The fourth proportional to 476,160.21, 657,120.05 and 261,307.97 is: 360,615.40
Step by Step Solution
- Step 1: Write the proportion equation
476,160.21 : 657,120.05 = 261,307.97 : x - Step 2: Convert to fraction form
476,160.21/657,120.05 = 261,307.97/x - Step 3: Cross multiply
476,160.21x = 657,120.05 × 261,307.97 - Step 4: Simplify right side
476,160.21x = 171,710,706,311.80 - Step 5: Solve for x
x = 171,710,706,311.80/476,160.21 - Step 6: Final answer
x = 360,615.40
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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.