Finding the Fourth Proportional to 611,811.63, 917,717.70 and 232,644.75
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Solution
The fourth proportional to 611,811.63, 917,717.70 and 232,644.75 is: 348,967.22
Step by Step Solution
- Step 1: Write the proportion equation
611,811.63 : 917,717.70 = 232,644.75 : x - Step 2: Convert to fraction form
611,811.63/917,717.70 = 232,644.75/x - Step 3: Cross multiply
611,811.63x = 917,717.70 × 232,644.75 - Step 4: Simplify right side
611,811.63x = 213,502,204,887.08 - Step 5: Solve for x
x = 213,502,204,887.08/611,811.63 - Step 6: Final answer
x = 348,967.22
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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.