Finding the Fourth Proportional to 329,810.98, 455,139.30 and 186,567.97
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Solution
The fourth proportional to 329,810.98, 455,139.30 and 186,567.97 is: 257,463.88
Step by Step Solution
- Step 1: Write the proportion equation
329,810.98 : 455,139.30 = 186,567.97 : x - Step 2: Convert to fraction form
329,810.98/455,139.30 = 186,567.97/x - Step 3: Cross multiply
329,810.98x = 455,139.30 × 186,567.97 - Step 4: Simplify right side
329,810.98x = 84,914,415,268.22 - Step 5: Solve for x
x = 84,914,415,268.22/329,810.98 - Step 6: Final answer
x = 257,463.88
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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.