Finding the Fourth Proportional to 372,509.97, 558,848.25 and 135,852.66
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Solution
The fourth proportional to 372,509.97, 558,848.25 and 135,852.66 is: 203,809.37
Step by Step Solution
- Step 1: Write the proportion equation
372,509.97 : 558,848.25 = 135,852.66 : x - Step 2: Convert to fraction form
372,509.97/558,848.25 = 135,852.66/x - Step 3: Cross multiply
372,509.97x = 558,848.25 × 135,852.66 - Step 4: Simplify right side
372,509.97x = 75,921,021,298.85 - Step 5: Solve for x
x = 75,921,021,298.85/372,509.97 - Step 6: Final answer
x = 203,809.37
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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.