Finding the Fourth Proportional to 306,717.30, 460,190.16 and 138,187.08
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Solution
The fourth proportional to 306,717.30, 460,190.16 and 138,187.08 is: 207,332.08
Step by Step Solution
- Step 1: Write the proportion equation
306,717.30 : 460,190.16 = 138,187.08 : x - Step 2: Convert to fraction form
306,717.30/460,190.16 = 138,187.08/x - Step 3: Cross multiply
306,717.30x = 460,190.16 × 138,187.08 - Step 4: Simplify right side
306,717.30x = 63,592,334,455.13 - Step 5: Solve for x
x = 63,592,334,455.13/306,717.30 - Step 6: Final answer
x = 207,332.08
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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.