Finding the Fourth Proportional to 499,549.13, 689,394.20 and 273,194.63
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Solution
The fourth proportional to 499,549.13, 689,394.20 and 273,194.63 is: 377,017.55
Step by Step Solution
- Step 1: Write the proportion equation
499,549.13 : 689,394.20 = 273,194.63 : x - Step 2: Convert to fraction form
499,549.13/689,394.20 = 273,194.63/x - Step 3: Cross multiply
499,549.13x = 689,394.20 × 273,194.63 - Step 4: Simplify right side
499,549.13x = 188,338,788,580.20 - Step 5: Solve for x
x = 188,338,788,580.20/499,549.13 - Step 6: Final answer
x = 377,017.55
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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.