Finding the Fourth Proportional to 463,261.06, 639,311.09 and 259,306.91
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Solution
The fourth proportional to 463,261.06, 639,311.09 and 259,306.91 is: 357,849.59
Step by Step Solution
- Step 1: Write the proportion equation
463,261.06 : 639,311.09 = 259,306.91 : x - Step 2: Convert to fraction form
463,261.06/639,311.09 = 259,306.91/x - Step 3: Cross multiply
463,261.06x = 639,311.09 × 259,306.91 - Step 4: Simplify right side
463,261.06x = 165,777,778,783.54 - Step 5: Solve for x
x = 165,777,778,783.54/463,261.06 - Step 6: Final answer
x = 357,849.59
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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.