Finding the Fourth Proportional to 154,880.60, 213,952.97 and 119,525.01
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Solution
The fourth proportional to 154,880.60, 213,952.97 and 119,525.01 is: 165,112.55
Step by Step Solution
- Step 1: Write the proportion equation
154,880.60 : 213,952.97 = 119,525.01 : x - Step 2: Convert to fraction form
154,880.60/213,952.97 = 119,525.01/x - Step 3: Cross multiply
154,880.60x = 213,952.97 × 119,525.01 - Step 4: Simplify right side
154,880.60x = 25,572,730,281.15 - Step 5: Solve for x
x = 25,572,730,281.15/154,880.60 - Step 6: Final answer
x = 165,112.55
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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.