Finding the Fourth Proportional to 243,232,175.31, 365,430,313.97 and 155,964,669.06
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Solution
The fourth proportional to 243,232,175.31, 365,430,313.97 and 155,964,669.06 is: 234,320,224.74
Step by Step Solution
- Step 1: Write the proportion equation
243,232,175.31 : 365,430,313.97 = 155,964,669.06 : x - Step 2: Convert to fraction form
243,232,175.31/365,430,313.97 = 155,964,669.06/x - Step 3: Cross multiply
243,232,175.31x = 365,430,313.97 × 155,964,669.06 - Step 4: Simplify right side
243,232,175.31x = 56,994,217,982,234,760 - Step 5: Solve for x
x = 56,994,217,982,234,760/243,232,175.31 - Step 6: Final answer
x = 234,320,224.74
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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.