Finding the Fourth Proportional to 292,555.48, 438,788.40 and 92,849.98
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Solution
The fourth proportional to 292,555.48, 438,788.40 and 92,849.98 is: 139,260.75
Step by Step Solution
- Step 1: Write the proportion equation
292,555.48 : 438,788.40 = 92,849.98 : x - Step 2: Convert to fraction form
292,555.48/438,788.40 = 92,849.98/x - Step 3: Cross multiply
292,555.48x = 438,788.40 × 92,849.98 - Step 4: Simplify right side
292,555.48x = 40,741,494,164.23 - Step 5: Solve for x
x = 40,741,494,164.23/292,555.48 - Step 6: Final answer
x = 139,260.75
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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.