Finding the Fourth Proportional to 453,266.70, 679,900.05 and 137,682.60
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Solution
The fourth proportional to 453,266.70, 679,900.05 and 137,682.60 is: 206,523.90
Step by Step Solution
- Step 1: Write the proportion equation
453,266.70 : 679,900.05 = 137,682.60 : x - Step 2: Convert to fraction form
453,266.70/679,900.05 = 137,682.60/x - Step 3: Cross multiply
453,266.70x = 679,900.05 × 137,682.60 - Step 4: Simplify right side
453,266.70x = 93,610,406,624.13 - Step 5: Solve for x
x = 93,610,406,624.13/453,266.70 - Step 6: Final answer
x = 206,523.90
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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.