Finding the Fourth Proportional to 201,615.70, 302,423.55 and 154,959.70
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Solution
The fourth proportional to 201,615.70, 302,423.55 and 154,959.70 is: 232,439.55
Step by Step Solution
- Step 1: Write the proportion equation
201,615.70 : 302,423.55 = 154,959.70 : x - Step 2: Convert to fraction form
201,615.70/302,423.55 = 154,959.70/x - Step 3: Cross multiply
201,615.70x = 302,423.55 × 154,959.70 - Step 4: Simplify right side
201,615.70x = 46,863,462,580.94 - Step 5: Solve for x
x = 46,863,462,580.94/201,615.70 - Step 6: Final answer
x = 232,439.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.