Finding the Fourth Proportional to 292,985.76, 439,495.80 and 113,072.13
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Solution
The fourth proportional to 292,985.76, 439,495.80 and 113,072.13 is: 169,614.82
Step by Step Solution
- Step 1: Write the proportion equation
292,985.76 : 439,495.80 = 113,072.13 : x - Step 2: Convert to fraction form
292,985.76/439,495.80 = 113,072.13/x - Step 3: Cross multiply
292,985.76x = 439,495.80 × 113,072.13 - Step 4: Simplify right side
292,985.76x = 49,694,726,232.05 - Step 5: Solve for x
x = 49,694,726,232.05/292,985.76 - Step 6: Final answer
x = 169,614.82
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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.