Finding the Fourth Proportional to 194,440.02, 291,616.21 and 69,781.02
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Solution
The fourth proportional to 194,440.02, 291,616.21 and 69,781.02 is: 104,655.80
Step by Step Solution
- Step 1: Write the proportion equation
194,440.02 : 291,616.21 = 69,781.02 : x - Step 2: Convert to fraction form
194,440.02/291,616.21 = 69,781.02/x - Step 3: Cross multiply
194,440.02x = 291,616.21 × 69,781.02 - Step 4: Simplify right side
194,440.02x = 20,349,276,582.33 - Step 5: Solve for x
x = 20,349,276,582.33/194,440.02 - Step 6: Final answer
x = 104,655.80
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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.