Finding the Fourth Proportional to 292,626.44, 438,907.76 and 198,461.52
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Solution
The fourth proportional to 292,626.44, 438,907.76 and 198,461.52 is: 297,670.65
Step by Step Solution
- Step 1: Write the proportion equation
292,626.44 : 438,907.76 = 198,461.52 : x - Step 2: Convert to fraction form
292,626.44/438,907.76 = 198,461.52/x - Step 3: Cross multiply
292,626.44x = 438,907.76 × 198,461.52 - Step 4: Simplify right side
292,626.44x = 87,106,301,189.40 - Step 5: Solve for x
x = 87,106,301,189.40/292,626.44 - Step 6: Final answer
x = 297,670.65
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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.