Finding the Fourth Proportional to 122,975.40, 184,463.10 and 121,225.80
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Solution
The fourth proportional to 122,975.40, 184,463.10 and 121,225.80 is: 181,838.70
Step by Step Solution
- Step 1: Write the proportion equation
122,975.40 : 184,463.10 = 121,225.80 : x - Step 2: Convert to fraction form
122,975.40/184,463.10 = 121,225.80/x - Step 3: Cross multiply
122,975.40x = 184,463.10 × 121,225.80 - Step 4: Simplify right side
122,975.40x = 22,361,686,867.98 - Step 5: Solve for x
x = 22,361,686,867.98/122,975.40 - Step 6: Final answer
x = 181,838.70
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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.