Finding the Fourth Proportional to 476,160.71, 657,120.74 and 261,308.47
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Solution
The fourth proportional to 476,160.71, 657,120.74 and 261,308.47 is: 360,616.09
Step by Step Solution
- Step 1: Write the proportion equation
476,160.71 : 657,120.74 = 261,308.47 : x - Step 2: Convert to fraction form
476,160.71/657,120.74 = 261,308.47/x - Step 3: Cross multiply
476,160.71x = 657,120.74 × 261,308.47 - Step 4: Simplify right side
476,160.71x = 171,711,215,174.67 - Step 5: Solve for x
x = 171,711,215,174.67/476,160.71 - Step 6: Final answer
x = 360,616.09
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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.