Finding the Fourth Proportional to 278,946.48, 418,396.02 and 110,420.99
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Solution
The fourth proportional to 278,946.48, 418,396.02 and 110,420.99 is: 165,622.10
Step by Step Solution
- Step 1: Write the proportion equation
278,946.48 : 418,396.02 = 110,420.99 : x - Step 2: Convert to fraction form
278,946.48/418,396.02 = 110,420.99/x - Step 3: Cross multiply
278,946.48x = 418,396.02 × 110,420.99 - Step 4: Simplify right side
278,946.48x = 46,199,701,803.39 - Step 5: Solve for x
x = 46,199,701,803.39/278,946.48 - Step 6: Final answer
x = 165,622.10
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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.