Finding the Fourth Proportional to 319,118.93, 440,378.42 and 173,926.02
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Solution
The fourth proportional to 319,118.93, 440,378.42 and 173,926.02 is: 240,014.80
Step by Step Solution
- Step 1: Write the proportion equation
319,118.93 : 440,378.42 = 173,926.02 : x - Step 2: Convert to fraction form
319,118.93/440,378.42 = 173,926.02/x - Step 3: Cross multiply
319,118.93x = 440,378.42 × 173,926.02 - Step 4: Simplify right side
319,118.93x = 76,593,265,014.86 - Step 5: Solve for x
x = 76,593,265,014.86/319,118.93 - Step 6: Final answer
x = 240,014.80
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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.