Finding the Fourth Proportional to 351,243.40, 526,865.10 and 210,929.80
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Solution
The fourth proportional to 351,243.40, 526,865.10 and 210,929.80 is: 316,394.70
Step by Step Solution
- Step 1: Write the proportion equation
351,243.40 : 526,865.10 = 210,929.80 : x - Step 2: Convert to fraction form
351,243.40/526,865.10 = 210,929.80/x - Step 3: Cross multiply
351,243.40x = 526,865.10 × 210,929.80 - Step 4: Simplify right side
351,243.40x = 111,131,550,169.98 - Step 5: Solve for x
x = 111,131,550,169.98/351,243.40 - Step 6: Final answer
x = 316,394.70
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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.