Finding the Fourth Proportional to 230,220.63, 317,631.38 and 129,599.19
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Solution
The fourth proportional to 230,220.63, 317,631.38 and 129,599.19 is: 178,805.73
Step by Step Solution
- Step 1: Write the proportion equation
230,220.63 : 317,631.38 = 129,599.19 : x - Step 2: Convert to fraction form
230,220.63/317,631.38 = 129,599.19/x - Step 3: Cross multiply
230,220.63x = 317,631.38 × 129,599.19 - Step 4: Simplify right side
230,220.63x = 41,164,768,918.59 - Step 5: Solve for x
x = 41,164,768,918.59/230,220.63 - Step 6: Final answer
x = 178,805.73
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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.