Finding the Fourth Proportional to 292,149.55, 438,289.98 and 92,481.91
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Solution
The fourth proportional to 292,149.55, 438,289.98 and 92,481.91 is: 138,743.65
Step by Step Solution
- Step 1: Write the proportion equation
292,149.55 : 438,289.98 = 92,481.91 : x - Step 2: Convert to fraction form
292,149.55/438,289.98 = 92,481.91/x - Step 3: Cross multiply
292,149.55x = 438,289.98 × 92,481.91 - Step 4: Simplify right side
292,149.55x = 40,533,894,484.26 - Step 5: Solve for x
x = 40,533,894,484.26/292,149.55 - Step 6: Final answer
x = 138,743.65
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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.