Finding the Fourth Proportional to 306,707.00, 423,015.86 and 199,311.53
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Solution
The fourth proportional to 306,707.00, 423,015.86 and 199,311.53 is: 274,894.07
Step by Step Solution
- Step 1: Write the proportion equation
306,707.00 : 423,015.86 = 199,311.53 : x - Step 2: Convert to fraction form
306,707.00/423,015.86 = 199,311.53/x - Step 3: Cross multiply
306,707.00x = 423,015.86 × 199,311.53 - Step 4: Simplify right side
306,707.00x = 84,311,935,159.23 - Step 5: Solve for x
x = 84,311,935,159.23/306,707.00 - Step 6: Final answer
x = 274,894.07
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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.