Finding the Fourth Proportional to 104,860.39, 157,279.65 and 29,975.68
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Solution
The fourth proportional to 104,860.39, 157,279.65 and 29,975.68 is: 44,960.39
Step by Step Solution
- Step 1: Write the proportion equation
104,860.39 : 157,279.65 = 29,975.68 : x - Step 2: Convert to fraction form
104,860.39/157,279.65 = 29,975.68/x - Step 3: Cross multiply
104,860.39x = 157,279.65 × 29,975.68 - Step 4: Simplify right side
104,860.39x = 4,714,564,458.91 - Step 5: Solve for x
x = 4,714,564,458.91/104,860.39 - Step 6: Final answer
x = 44,960.39
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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.