Finding the Fourth Proportional to 352,133.40, 526,817.70 and 318,955.80
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Solution
The fourth proportional to 352,133.40, 526,817.70 and 318,955.80 is: 477,181.55
Step by Step Solution
- Step 1: Write the proportion equation
352,133.40 : 526,817.70 = 318,955.80 : x - Step 2: Convert to fraction form
352,133.40/526,817.70 = 318,955.80/x - Step 3: Cross multiply
352,133.40x = 526,817.70 × 318,955.80 - Step 4: Simplify right side
352,133.40x = 168,031,560,957.66 - Step 5: Solve for x
x = 168,031,560,957.66/352,133.40 - Step 6: Final answer
x = 477,181.55
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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.