Finding the Fourth Proportional to 118,378.26, 163,356.00 and 64,652.99
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Solution
The fourth proportional to 118,378.26, 163,356.00 and 64,652.99 is: 89,217.85
Step by Step Solution
- Step 1: Write the proportion equation
118,378.26 : 163,356.00 = 64,652.99 : x - Step 2: Convert to fraction form
118,378.26/163,356.00 = 64,652.99/x - Step 3: Cross multiply
118,378.26x = 163,356.00 × 64,652.99 - Step 4: Simplify right side
118,378.26x = 10,561,453,751.47 - Step 5: Solve for x
x = 10,561,453,751.47/118,378.26 - Step 6: Final answer
x = 89,217.85
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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.