Finding the Fourth Proportional to 122,985.68, 184,340.28 and 60,699.92
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Solution
The fourth proportional to 122,985.68, 184,340.28 and 60,699.92 is: 90,981.65
Step by Step Solution
- Step 1: Write the proportion equation
122,985.68 : 184,340.28 = 60,699.92 : x - Step 2: Convert to fraction form
122,985.68/184,340.28 = 60,699.92/x - Step 3: Cross multiply
122,985.68x = 184,340.28 × 60,699.92 - Step 4: Simplify right side
122,985.68x = 11,189,440,248.78 - Step 5: Solve for x
x = 11,189,440,248.78/122,985.68 - Step 6: Final answer
x = 90,981.65
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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.