Finding the Fourth Proportional to 399,246.41, 550,968.39 and 217,965.98
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Solution
The fourth proportional to 399,246.41, 550,968.39 and 217,965.98 is: 300,797.61
Step by Step Solution
- Step 1: Write the proportion equation
399,246.41 : 550,968.39 = 217,965.98 : x - Step 2: Convert to fraction form
399,246.41/550,968.39 = 217,965.98/x - Step 3: Cross multiply
399,246.41x = 550,968.39 × 217,965.98 - Step 4: Simplify right side
399,246.41x = 120,092,365,839.76 - Step 5: Solve for x
x = 120,092,365,839.76/399,246.41 - Step 6: Final answer
x = 300,797.61
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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.