Finding the Fourth Proportional to 133,318.94, 199,989.05 and 44,572.91
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Solution
The fourth proportional to 133,318.94, 199,989.05 and 44,572.91 is: 66,862.92
Step by Step Solution
- Step 1: Write the proportion equation
133,318.94 : 199,989.05 = 44,572.91 : x - Step 2: Convert to fraction form
133,318.94/199,989.05 = 44,572.91/x - Step 3: Cross multiply
133,318.94x = 199,989.05 × 44,572.91 - Step 4: Simplify right side
133,318.94x = 8,914,092,703.83 - Step 5: Solve for x
x = 8,914,092,703.83/133,318.94 - Step 6: Final answer
x = 66,862.92
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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.