Finding the Fourth Proportional to 293,234.70, 439,888.26 and 103,655.97
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Solution
The fourth proportional to 293,234.70, 439,888.26 and 103,655.97 is: 155,496.75
Step by Step Solution
- Step 1: Write the proportion equation
293,234.70 : 439,888.26 = 103,655.97 : x - Step 2: Convert to fraction form
293,234.70/439,888.26 = 103,655.97/x - Step 3: Cross multiply
293,234.70x = 439,888.26 × 103,655.97 - Step 4: Simplify right side
293,234.70x = 45,597,044,281.91 - Step 5: Solve for x
x = 45,597,044,281.91/293,234.70 - Step 6: Final answer
x = 155,496.75
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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.