Finding the Fourth Proportional to 232,314.99, 320,707.30 and 155,806.13
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Solution
The fourth proportional to 232,314.99, 320,707.30 and 155,806.13 is: 215,087.99
Step by Step Solution
- Step 1: Write the proportion equation
232,314.99 : 320,707.30 = 155,806.13 : x - Step 2: Convert to fraction form
232,314.99/320,707.30 = 155,806.13/x - Step 3: Cross multiply
232,314.99x = 320,707.30 × 155,806.13 - Step 4: Simplify right side
232,314.99x = 49,968,163,980.14 - Step 5: Solve for x
x = 49,968,163,980.14/232,314.99 - Step 6: Final answer
x = 215,087.99
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1.5x scale
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.