Finding the Fourth Proportional to 465,813.14, 698,745.63 and 133,380.50
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Solution
The fourth proportional to 465,813.14, 698,745.63 and 133,380.50 is: 200,078.17
Step by Step Solution
- Step 1: Write the proportion equation
465,813.14 : 698,745.63 = 133,380.50 : x - Step 2: Convert to fraction form
465,813.14/698,745.63 = 133,380.50/x - Step 3: Cross multiply
465,813.14x = 698,745.63 × 133,380.50 - Step 4: Simplify right side
465,813.14x = 93,199,041,502.22 - Step 5: Solve for x
x = 93,199,041,502.22/465,813.14 - Step 6: Final answer
x = 200,078.17
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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.