Finding the Fourth Proportional to 372,356.16, 558,450.12 and 106,110.96
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Solution
The fourth proportional to 372,356.16, 558,450.12 and 106,110.96 is: 159,142.47
Step by Step Solution
- Step 1: Write the proportion equation
372,356.16 : 558,450.12 = 106,110.96 : x - Step 2: Convert to fraction form
372,356.16/558,450.12 = 106,110.96/x - Step 3: Cross multiply
372,356.16x = 558,450.12 × 106,110.96 - Step 4: Simplify right side
372,356.16x = 59,257,678,345.32 - Step 5: Solve for x
x = 59,257,678,345.32/372,356.16 - Step 6: Final answer
x = 159,142.47
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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.