Finding the Fourth Proportional to 199,140.07, 298,765.44 and 86,830.09
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Solution
The fourth proportional to 199,140.07, 298,765.44 and 86,830.09 is: 130,269.26
Step by Step Solution
- Step 1: Write the proportion equation
199,140.07 : 298,765.44 = 86,830.09 : x - Step 2: Convert to fraction form
199,140.07/298,765.44 = 86,830.09/x - Step 3: Cross multiply
199,140.07x = 298,765.44 × 86,830.09 - Step 4: Simplify right side
199,140.07x = 25,941,830,044.09 - Step 5: Solve for x
x = 25,941,830,044.09/199,140.07 - Step 6: Final answer
x = 130,269.26
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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.