Finding the Fourth Proportional to 170,154.72, 234,809.52 and 94,701.60
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Solution
The fourth proportional to 170,154.72, 234,809.52 and 94,701.60 is: 130,685.99
Step by Step Solution
- Step 1: Write the proportion equation
170,154.72 : 234,809.52 = 94,701.60 : x - Step 2: Convert to fraction form
170,154.72/234,809.52 = 94,701.60/x - Step 3: Cross multiply
170,154.72x = 234,809.52 × 94,701.60 - Step 4: Simplify right side
170,154.72x = 22,236,837,239.23 - Step 5: Solve for x
x = 22,236,837,239.23/170,154.72 - Step 6: Final answer
x = 130,685.99
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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.