Finding the Fourth Proportional to 118,372.92, 163,350.48 and 67,381.80
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Solution
The fourth proportional to 118,372.92, 163,350.48 and 67,381.80 is: 92,984.52
Step by Step Solution
- Step 1: Write the proportion equation
118,372.92 : 163,350.48 = 67,381.80 : x - Step 2: Convert to fraction form
118,372.92/163,350.48 = 67,381.80/x - Step 3: Cross multiply
118,372.92x = 163,350.48 × 67,381.80 - Step 4: Simplify right side
118,372.92x = 11,006,849,373.26 - Step 5: Solve for x
x = 11,006,849,373.26/118,372.92 - Step 6: Final answer
x = 92,984.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.