Finding the Fourth Proportional to 253,230.05, 349,565.07 and 157,783.91
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Solution
The fourth proportional to 253,230.05, 349,565.07 and 157,783.91 is: 217,808.84
Step by Step Solution
- Step 1: Write the proportion equation
253,230.05 : 349,565.07 = 157,783.91 : x - Step 2: Convert to fraction form
253,230.05/349,565.07 = 157,783.91/x - Step 3: Cross multiply
253,230.05x = 349,565.07 × 157,783.91 - Step 4: Simplify right side
253,230.05x = 55,155,741,796.20 - Step 5: Solve for x
x = 55,155,741,796.20/253,230.05 - Step 6: Final answer
x = 217,808.84
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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.