Finding the Fourth Proportional to 403,711.08, 605,580.86 and 213,914.98
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Solution
The fourth proportional to 403,711.08, 605,580.86 and 213,914.98 is: 320,880.02
Step by Step Solution
- Step 1: Write the proportion equation
403,711.08 : 605,580.86 = 213,914.98 : x - Step 2: Convert to fraction form
403,711.08/605,580.86 = 213,914.98/x - Step 3: Cross multiply
403,711.08x = 605,580.86 × 213,914.98 - Step 4: Simplify right side
403,711.08x = 129,542,817,555.28 - Step 5: Solve for x
x = 129,542,817,555.28/403,711.08 - Step 6: Final answer
x = 320,880.02
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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.