Finding the Fourth Proportional to 453,044.97, 679,571.48 and 137,501.82
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Solution
The fourth proportional to 453,044.97, 679,571.48 and 137,501.82 is: 206,253.95
Step by Step Solution
- Step 1: Write the proportion equation
453,044.97 : 679,571.48 = 137,501.82 : x - Step 2: Convert to fraction form
453,044.97/679,571.48 = 137,501.82/x - Step 3: Cross multiply
453,044.97x = 679,571.48 × 137,501.82 - Step 4: Simplify right side
453,044.97x = 93,442,315,320.09 - Step 5: Solve for x
x = 93,442,315,320.09/453,044.97 - Step 6: Final answer
x = 206,253.95
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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.