Finding the Fourth Proportional to 122,867.06, 184,370.96 and 51,784.09
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Solution
The fourth proportional to 122,867.06, 184,370.96 and 51,784.09 is: 77,705.79
Step by Step Solution
- Step 1: Write the proportion equation
122,867.06 : 184,370.96 = 51,784.09 : x - Step 2: Convert to fraction form
122,867.06/184,370.96 = 51,784.09/x - Step 3: Cross multiply
122,867.06x = 184,370.96 × 51,784.09 - Step 4: Simplify right side
122,867.06x = 9,547,482,054.56 - Step 5: Solve for x
x = 9,547,482,054.56/122,867.06 - Step 6: Final answer
x = 77,705.79
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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.