Finding the Fourth Proportional to 355,672,190.49, 531,346,676.99 and 230,152,261.74
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Solution
The fourth proportional to 355,672,190.49, 531,346,676.99 and 230,152,261.74 is: 343,829,635.12
Step by Step Solution
- Step 1: Write the proportion equation
355,672,190.49 : 531,346,676.99 = 230,152,261.74 : x - Step 2: Convert to fraction form
355,672,190.49/531,346,676.99 = 230,152,261.74/x - Step 3: Cross multiply
355,672,190.49x = 531,346,676.99 × 230,152,261.74 - Step 4: Simplify right side
355,672,190.49x = 122,290,639,477,281,728 - Step 5: Solve for x
x = 122,290,639,477,281,728/355,672,190.49 - Step 6: Final answer
x = 343,829,635.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.