Finding the Fourth Proportional to 347,599.05, 521,455.07 and 107,656.90
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Solution
The fourth proportional to 347,599.05, 521,455.07 and 107,656.90 is: 161,502.84
Step by Step Solution
- Step 1: Write the proportion equation
347,599.05 : 521,455.07 = 107,656.90 : x - Step 2: Convert to fraction form
347,599.05/521,455.07 = 107,656.90/x - Step 3: Cross multiply
347,599.05x = 521,455.07 × 107,656.90 - Step 4: Simplify right side
347,599.05x = 56,138,234,685.42 - Step 5: Solve for x
x = 56,138,234,685.42/347,599.05 - Step 6: Final answer
x = 161,502.84
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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.