Finding the Fourth Proportional to 476,161.71, 657,122.12 and 261,309.47
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Solution
The fourth proportional to 476,161.71, 657,122.12 and 261,309.47 is: 360,617.47
Step by Step Solution
- Step 1: Write the proportion equation
476,161.71 : 657,122.12 = 261,309.47 : x - Step 2: Convert to fraction form
476,161.71/657,122.12 = 261,309.47/x - Step 3: Cross multiply
476,161.71x = 657,122.12 × 261,309.47 - Step 4: Simplify right side
476,161.71x = 171,712,232,902.48 - Step 5: Solve for x
x = 171,712,232,902.48/476,161.71 - Step 6: Final answer
x = 360,617.47
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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.