Finding the Fourth Proportional to 351,387.60, 525,871.80 and 211,246.80
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Solution
The fourth proportional to 351,387.60, 525,871.80 and 211,246.80 is: 316,143.01
Step by Step Solution
- Step 1: Write the proportion equation
351,387.60 : 525,871.80 = 211,246.80 : x - Step 2: Convert to fraction form
351,387.60/525,871.80 = 211,246.80/x - Step 3: Cross multiply
351,387.60x = 525,871.80 × 211,246.80 - Step 4: Simplify right side
351,387.60x = 111,088,734,960.24 - Step 5: Solve for x
x = 111,088,734,960.24/351,387.60 - Step 6: Final answer
x = 316,143.01
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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.