Finding the Fourth Proportional to 230,212.13, 317,619.63 and 129,590.69
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Solution
The fourth proportional to 230,212.13, 317,619.63 and 129,590.69 is: 178,794.00
Step by Step Solution
- Step 1: Write the proportion equation
230,212.13 : 317,619.63 = 129,590.69 : x - Step 2: Convert to fraction form
230,212.13/317,619.63 = 129,590.69/x - Step 3: Cross multiply
230,212.13x = 317,619.63 × 129,590.69 - Step 4: Simplify right side
230,212.13x = 41,160,547,009.24 - Step 5: Solve for x
x = 41,160,547,009.24/230,212.13 - Step 6: Final answer
x = 178,794.00
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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.