Finding the Fourth Proportional to 453,888.86, 680,517.99 and 201,031.56
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Solution
The fourth proportional to 453,888.86, 680,517.99 and 201,031.56 is: 301,407.69
Step by Step Solution
- Step 1: Write the proportion equation
453,888.86 : 680,517.99 = 201,031.56 : x - Step 2: Convert to fraction form
453,888.86/680,517.99 = 201,031.56/x - Step 3: Cross multiply
453,888.86x = 680,517.99 × 201,031.56 - Step 4: Simplify right side
453,888.86x = 136,805,593,137.76 - Step 5: Solve for x
x = 136,805,593,137.76/453,888.86 - Step 6: Final answer
x = 301,407.69
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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.