Finding the Fourth Proportional to 293,343.66, 440,212.70 and 103,803.28
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Solution
The fourth proportional to 293,343.66, 440,212.70 and 103,803.28 is: 155,774.70
Step by Step Solution
- Step 1: Write the proportion equation
293,343.66 : 440,212.70 = 103,803.28 : x - Step 2: Convert to fraction form
293,343.66/440,212.70 = 103,803.28/x - Step 3: Cross multiply
293,343.66x = 440,212.70 × 103,803.28 - Step 4: Simplify right side
293,343.66x = 45,695,521,316.63 - Step 5: Solve for x
x = 45,695,521,316.63/293,343.66 - Step 6: Final answer
x = 155,774.70
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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.