Finding the Fourth Proportional to 768,970.48, 1,153,566.02 and 236,536.42
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Solution
The fourth proportional to 768,970.48, 1,153,566.02 and 236,536.42 is: 354,838.56
Step by Step Solution
- Step 1: Write the proportion equation
768,970.48 : 1,153,566.02 = 236,536.42 : x - Step 2: Convert to fraction form
768,970.48/1,153,566.02 = 236,536.42/x - Step 3: Cross multiply
768,970.48x = 1,153,566.02 × 236,536.42 - Step 4: Simplify right side
768,970.48x = 272,860,376,604.45 - Step 5: Solve for x
x = 272,860,376,604.45/768,970.48 - Step 6: Final answer
x = 354,838.56
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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.