Finding the Fourth Proportional to 292,315.91, 438,486.06 and 92,631.88
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Solution
The fourth proportional to 292,315.91, 438,486.06 and 92,631.88 is: 138,951.68
Step by Step Solution
- Step 1: Write the proportion equation
292,315.91 : 438,486.06 = 92,631.88 : x - Step 2: Convert to fraction form
292,315.91/438,486.06 = 92,631.88/x - Step 3: Cross multiply
292,315.91x = 438,486.06 × 92,631.88 - Step 4: Simplify right side
292,315.91x = 40,617,788,091.59 - Step 5: Solve for x
x = 40,617,788,091.59/292,315.91 - Step 6: Final answer
x = 138,951.68
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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.