Finding the Fourth Proportional to 122,740.06, 183,887.61 and 56,235.82
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Solution
The fourth proportional to 122,740.06, 183,887.61 and 56,235.82 is: 84,251.80
Step by Step Solution
- Step 1: Write the proportion equation
122,740.06 : 183,887.61 = 56,235.82 : x - Step 2: Convert to fraction form
122,740.06/183,887.61 = 56,235.82/x - Step 3: Cross multiply
122,740.06x = 183,887.61 × 56,235.82 - Step 4: Simplify right side
122,740.06x = 10,341,070,536.19 - Step 5: Solve for x
x = 10,341,070,536.19/122,740.06 - Step 6: Final answer
x = 84,251.80
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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.