Finding the Fourth Proportional to 516,716.61, 775,167.86 and 212,941.63
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Solution
The fourth proportional to 516,716.61, 775,167.86 and 212,941.63 is: 319,450.75
Step by Step Solution
- Step 1: Write the proportion equation
516,716.61 : 775,167.86 = 212,941.63 : x - Step 2: Convert to fraction form
516,716.61/775,167.86 = 212,941.63/x - Step 3: Cross multiply
516,716.61x = 775,167.86 × 212,941.63 - Step 4: Simplify right side
516,716.61x = 165,065,507,632.01 - Step 5: Solve for x
x = 165,065,507,632.01/516,716.61 - Step 6: Final answer
x = 319,450.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.