Finding the Fourth Proportional to 292,291.87, 438,466.61 and 121,478.35
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Solution
The fourth proportional to 292,291.87, 438,466.61 and 121,478.35 is: 182,229.50
Step by Step Solution
- Step 1: Write the proportion equation
292,291.87 : 438,466.61 = 121,478.35 : x - Step 2: Convert to fraction form
292,291.87/438,466.61 = 121,478.35/x - Step 3: Cross multiply
292,291.87x = 438,466.61 × 121,478.35 - Step 4: Simplify right side
292,291.87x = 53,264,200,312.89 - Step 5: Solve for x
x = 53,264,200,312.89/292,291.87 - Step 6: Final answer
x = 182,229.50
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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.