Finding the Fourth Proportional to 350,420.70, 524,853.45 and 288,212.70
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Solution
The fourth proportional to 350,420.70, 524,853.45 and 288,212.70 is: 431,679.49
Step by Step Solution
- Step 1: Write the proportion equation
350,420.70 : 524,853.45 = 288,212.70 : x - Step 2: Convert to fraction form
350,420.70/524,853.45 = 288,212.70/x - Step 3: Cross multiply
350,420.70x = 524,853.45 × 288,212.70 - Step 4: Simplify right side
350,420.70x = 151,269,429,928.82 - Step 5: Solve for x
x = 151,269,429,928.82/350,420.70 - Step 6: Final answer
x = 431,679.49
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1.5x scale
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.