Finding the Fourth Proportional to 242,759.13, 364,138.69 and 76,547.13
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Solution
The fourth proportional to 242,759.13, 364,138.69 and 76,547.13 is: 114,820.69
Step by Step Solution
- Step 1: Write the proportion equation
242,759.13 : 364,138.69 = 76,547.13 : x - Step 2: Convert to fraction form
242,759.13/364,138.69 = 76,547.13/x - Step 3: Cross multiply
242,759.13x = 364,138.69 × 76,547.13 - Step 4: Simplify right side
242,759.13x = 27,873,769,820.77 - Step 5: Solve for x
x = 27,873,769,820.77/242,759.13 - Step 6: Final answer
x = 114,820.69
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1.5x scale
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.