Finding the Fourth Proportional to 453,013.09, 679,523.72 and 137,469.99
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Solution
The fourth proportional to 453,013.09, 679,523.72 and 137,469.99 is: 206,206.23
Step by Step Solution
- Step 1: Write the proportion equation
453,013.09 : 679,523.72 = 137,469.99 : x - Step 2: Convert to fraction form
453,013.09/679,523.72 = 137,469.99/x - Step 3: Cross multiply
453,013.09x = 679,523.72 × 137,469.99 - Step 4: Simplify right side
453,013.09x = 93,414,120,854.03 - Step 5: Solve for x
x = 93,414,120,854.03/453,013.09 - Step 6: Final answer
x = 206,206.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.