Finding the Fourth Proportional to 292,739.28, 439,102.80 and 93,060
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Solution
The fourth proportional to 292,739.28, 439,102.80 and 93,060 is: 139,588.05
Step by Step Solution
- Step 1: Write the proportion equation
292,739.28 : 439,102.80 = 93,060 : x - Step 2: Convert to fraction form
292,739.28/439,102.80 = 93,060/x - Step 3: Cross multiply
292,739.28x = 439,102.80 × 93,060 - Step 4: Simplify right side
292,739.28x = 40,862,906,568 - Step 5: Solve for x
x = 40,862,906,568/292,739.28 - Step 6: Final answer
x = 139,588.05
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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.