Finding the Fourth Proportional to 381,346.48, 572,052.93 and 125,102.19
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Solution
The fourth proportional to 381,346.48, 572,052.93 and 125,102.19 is: 187,664.18
Step by Step Solution
- Step 1: Write the proportion equation
381,346.48 : 572,052.93 = 125,102.19 : x - Step 2: Convert to fraction form
381,346.48/572,052.93 = 125,102.19/x - Step 3: Cross multiply
381,346.48x = 572,052.93 × 125,102.19 - Step 4: Simplify right side
381,346.48x = 71,565,073,713.41 - Step 5: Solve for x
x = 71,565,073,713.41/381,346.48 - Step 6: Final answer
x = 187,664.18
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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.