Finding the Fourth Proportional to 543,278.18, 749,643.96 and 301,562.60
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Solution
The fourth proportional to 543,278.18, 749,643.96 and 301,562.60 is: 416,112.02
Step by Step Solution
- Step 1: Write the proportion equation
543,278.18 : 749,643.96 = 301,562.60 : x - Step 2: Convert to fraction form
543,278.18/749,643.96 = 301,562.60/x - Step 3: Cross multiply
543,278.18x = 749,643.96 × 301,562.60 - Step 4: Simplify right side
543,278.18x = 226,064,581,651.90 - Step 5: Solve for x
x = 226,064,581,651.90/543,278.18 - Step 6: Final answer
x = 416,112.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.