Finding the Fourth Proportional to 554,358.21, 831,536.70 and 133,634.08
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Solution
The fourth proportional to 554,358.21, 831,536.70 and 133,634.08 is: 200,450.97
Step by Step Solution
- Step 1: Write the proportion equation
554,358.21 : 831,536.70 = 133,634.08 : x - Step 2: Convert to fraction form
554,358.21/831,536.70 = 133,634.08/x - Step 3: Cross multiply
554,358.21x = 831,536.70 × 133,634.08 - Step 4: Simplify right side
554,358.21x = 111,121,641,890.74 - Step 5: Solve for x
x = 111,121,641,890.74/554,358.21 - Step 6: Final answer
x = 200,450.97
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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.