Finding the Fourth Proportional to 351,331.29, 484,840.52 and 206,139.54
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Solution
The fourth proportional to 351,331.29, 484,840.52 and 206,139.54 is: 284,474.53
Step by Step Solution
- Step 1: Write the proportion equation
351,331.29 : 484,840.52 = 206,139.54 : x - Step 2: Convert to fraction form
351,331.29/484,840.52 = 206,139.54/x - Step 3: Cross multiply
351,331.29x = 484,840.52 × 206,139.54 - Step 4: Simplify right side
351,331.29x = 99,944,804,437.18 - Step 5: Solve for x
x = 99,944,804,437.18/351,331.29 - Step 6: Final answer
x = 284,474.53
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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.