Finding the Fourth Proportional to 540,083.98, 745,312.35 and 298,382.14
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Solution
The fourth proportional to 540,083.98, 745,312.35 and 298,382.14 is: 411,765.40
Step by Step Solution
- Step 1: Write the proportion equation
540,083.98 : 745,312.35 = 298,382.14 : x - Step 2: Convert to fraction form
540,083.98/745,312.35 = 298,382.14/x - Step 3: Cross multiply
540,083.98x = 745,312.35 × 298,382.14 - Step 4: Simplify right side
540,083.98x = 222,387,893,961.43 - Step 5: Solve for x
x = 222,387,893,961.43/540,083.98 - Step 6: Final answer
x = 411,765.40
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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.