Finding the Fourth Proportional to 184,866.05, 255,115.15 and 99,983.12
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Solution
The fourth proportional to 184,866.05, 255,115.15 and 99,983.12 is: 137,976.70
Step by Step Solution
- Step 1: Write the proportion equation
184,866.05 : 255,115.15 = 99,983.12 : x - Step 2: Convert to fraction form
184,866.05/255,115.15 = 99,983.12/x - Step 3: Cross multiply
184,866.05x = 255,115.15 × 99,983.12 - Step 4: Simplify right side
184,866.05x = 25,507,207,130.73 - Step 5: Solve for x
x = 25,507,207,130.73/184,866.05 - Step 6: Final answer
x = 137,976.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.