Finding the Fourth Proportional to 453,962.70, 679,194.45 and 296,498.70
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Solution
The fourth proportional to 453,962.70, 679,194.45 and 296,498.70 is: 443,605.33
Step by Step Solution
- Step 1: Write the proportion equation
453,962.70 : 679,194.45 = 296,498.70 : x - Step 2: Convert to fraction form
453,962.70/679,194.45 = 296,498.70/x - Step 3: Cross multiply
453,962.70x = 679,194.45 × 296,498.70 - Step 4: Simplify right side
453,962.70x = 201,380,271,472.22 - Step 5: Solve for x
x = 201,380,271,472.22/453,962.70 - Step 6: Final answer
x = 443,605.33
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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.