Finding the Fourth Proportional to 118,328.96, 163,293.94 and 64,614.02
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Solution
The fourth proportional to 118,328.96, 163,293.94 and 64,614.02 is: 89,167.33
Step by Step Solution
- Step 1: Write the proportion equation
118,328.96 : 163,293.94 = 64,614.02 : x - Step 2: Convert to fraction form
118,328.96/163,293.94 = 64,614.02/x - Step 3: Cross multiply
118,328.96x = 163,293.94 × 64,614.02 - Step 4: Simplify right side
118,328.96x = 10,551,077,905.04 - Step 5: Solve for x
x = 10,551,077,905.04/118,328.96 - Step 6: Final answer
x = 89,167.33
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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.