Finding the Fourth Proportional to 628,880.68, 943,126.62 and 208,069.48
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Solution
The fourth proportional to 628,880.68, 943,126.62 and 208,069.48 is: 312,039.90
Step by Step Solution
- Step 1: Write the proportion equation
628,880.68 : 943,126.62 = 208,069.48 : x - Step 2: Convert to fraction form
628,880.68/943,126.62 = 208,069.48/x - Step 3: Cross multiply
628,880.68x = 943,126.62 × 208,069.48 - Step 4: Simplify right side
628,880.68x = 196,235,865,397.56 - Step 5: Solve for x
x = 196,235,865,397.56/628,880.68 - Step 6: Final answer
x = 312,039.90
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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.