Finding the Fourth Proportional to 253,847.08, 350,313.48 and 139,118.12
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Solution
The fourth proportional to 253,847.08, 350,313.48 and 139,118.12 is: 191,985.48
Step by Step Solution
- Step 1: Write the proportion equation
253,847.08 : 350,313.48 = 139,118.12 : x - Step 2: Convert to fraction form
253,847.08/350,313.48 = 139,118.12/x - Step 3: Cross multiply
253,847.08x = 350,313.48 × 139,118.12 - Step 4: Simplify right side
253,847.08x = 48,734,952,748.26 - Step 5: Solve for x
x = 48,734,952,748.26/253,847.08 - Step 6: Final answer
x = 191,985.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.