Finding the Fourth Proportional to 122,956.34, 184,459.68 and 51,878.99
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Solution
The fourth proportional to 122,956.34, 184,459.68 and 51,878.99 is: 77,829.11
Step by Step Solution
- Step 1: Write the proportion equation
122,956.34 : 184,459.68 = 51,878.99 : x - Step 2: Convert to fraction form
122,956.34/184,459.68 = 51,878.99/x - Step 3: Cross multiply
122,956.34x = 184,459.68 × 51,878.99 - Step 4: Simplify right side
122,956.34x = 9,569,582,355.27 - Step 5: Solve for x
x = 9,569,582,355.27/122,956.34 - Step 6: Final answer
x = 77,829.11
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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.