Finding the Fourth Proportional to 543,026.90, 749,382.30 and 301,331.97
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Solution
The fourth proportional to 543,026.90, 749,382.30 and 301,331.97 is: 415,840.99
Step by Step Solution
- Step 1: Write the proportion equation
543,026.90 : 749,382.30 = 301,331.97 : x - Step 2: Convert to fraction form
543,026.90/749,382.30 = 301,331.97/x - Step 3: Cross multiply
543,026.90x = 749,382.30 × 301,331.97 - Step 4: Simplify right side
543,026.90x = 225,812,844,742.13 - Step 5: Solve for x
x = 225,812,844,742.13/543,026.90 - Step 6: Final answer
x = 415,840.99
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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.