Finding the Fourth Proportional to 319,526.24, 440,867.44 and 195,315.88
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Solution
The fourth proportional to 319,526.24, 440,867.44 and 195,315.88 is: 269,487.76
Step by Step Solution
- Step 1: Write the proportion equation
319,526.24 : 440,867.44 = 195,315.88 : x - Step 2: Convert to fraction form
319,526.24/440,867.44 = 195,315.88/x - Step 3: Cross multiply
319,526.24x = 440,867.44 × 195,315.88 - Step 4: Simplify right side
319,526.24x = 86,108,412,006.95 - Step 5: Solve for x
x = 86,108,412,006.95/319,526.24 - Step 6: Final answer
x = 269,487.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.