Finding the Fourth Proportional to 122,975.36, 184,303.26 and 55,457.81
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Solution
The fourth proportional to 122,975.36, 184,303.26 and 55,457.81 is: 83,114.66
Step by Step Solution
- Step 1: Write the proportion equation
122,975.36 : 184,303.26 = 55,457.81 : x - Step 2: Convert to fraction form
122,975.36/184,303.26 = 55,457.81/x - Step 3: Cross multiply
122,975.36x = 184,303.26 × 55,457.81 - Step 4: Simplify right side
122,975.36x = 10,221,054,253.94 - Step 5: Solve for x
x = 10,221,054,253.94/122,975.36 - Step 6: Final answer
x = 83,114.66
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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.