Finding the Fourth Proportional to 117,588.36, 162,246.60 and 69,857.76
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Solution
The fourth proportional to 117,588.36, 162,246.60 and 69,857.76 is: 96,388.66
Step by Step Solution
- Step 1: Write the proportion equation
117,588.36 : 162,246.60 = 69,857.76 : x - Step 2: Convert to fraction form
117,588.36/162,246.60 = 69,857.76/x - Step 3: Cross multiply
117,588.36x = 162,246.60 × 69,857.76 - Step 4: Simplify right side
117,588.36x = 11,334,184,043.62 - Step 5: Solve for x
x = 11,334,184,043.62/117,588.36 - Step 6: Final answer
x = 96,388.66
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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.