Finding the Fourth Proportional to 554,372.52, 831,551.49 and 133,645.02
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Solution
The fourth proportional to 554,372.52, 831,551.49 and 133,645.02 is: 200,465.77
Step by Step Solution
- Step 1: Write the proportion equation
554,372.52 : 831,551.49 = 133,645.02 : x - Step 2: Convert to fraction form
554,372.52/831,551.49 = 133,645.02/x - Step 3: Cross multiply
554,372.52x = 831,551.49 × 133,645.02 - Step 4: Simplify right side
554,372.52x = 111,132,715,512.08 - Step 5: Solve for x
x = 111,132,715,512.08/554,372.52 - Step 6: Final answer
x = 200,465.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.