Finding the Fourth Proportional to 434,354.32, 599,408.54 and 243,369.08
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Solution
The fourth proportional to 434,354.32, 599,408.54 and 243,369.08 is: 335,849.09
Step by Step Solution
- Step 1: Write the proportion equation
434,354.32 : 599,408.54 = 243,369.08 : x - Step 2: Convert to fraction form
434,354.32/599,408.54 = 243,369.08/x - Step 3: Cross multiply
434,354.32x = 599,408.54 × 243,369.08 - Step 4: Simplify right side
434,354.32x = 145,877,504,923.94 - Step 5: Solve for x
x = 145,877,504,923.94/434,354.32 - Step 6: Final answer
x = 335,849.09
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1.5x scale
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.