Finding the Fourth Proportional to 98,707.24, 136,224.66 and 58,400.68
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Solution
The fourth proportional to 98,707.24, 136,224.66 and 58,400.68 is: 80,598.07
Step by Step Solution
- Step 1: Write the proportion equation
98,707.24 : 136,224.66 = 58,400.68 : x - Step 2: Convert to fraction form
98,707.24/136,224.66 = 58,400.68/x - Step 3: Cross multiply
98,707.24x = 136,224.66 × 58,400.68 - Step 4: Simplify right side
98,707.24x = 7,955,612,776.77 - Step 5: Solve for x
x = 7,955,612,776.77/98,707.24 - Step 6: Final answer
x = 80,598.07
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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.