Finding the Fourth Proportional to 292,674.60, 438,501.60 and 134,578.80
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Solution
The fourth proportional to 292,674.60, 438,501.60 and 134,578.80 is: 201,633.55
Step by Step Solution
- Step 1: Write the proportion equation
292,674.60 : 438,501.60 = 134,578.80 : x - Step 2: Convert to fraction form
292,674.60/438,501.60 = 134,578.80/x - Step 3: Cross multiply
292,674.60x = 438,501.60 × 134,578.80 - Step 4: Simplify right side
292,674.60x = 59,013,019,126.08 - Step 5: Solve for x
x = 59,013,019,126.08/292,674.60 - Step 6: Final answer
x = 201,633.55
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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.